65050400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 170489088

約数和(自身を除く): 105438688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 61, 62, 80, 86, 100, 122, 124, 155, 160, 172, 200, 215, 244, 248, 305, 310, 344, 400, 430, 488, 496, 610, 620, 688, 775, 800, 860, 976, 992, 1075, 1220, 1240, 1333, 1376, 1525, 1550, 1720, 1891, 1952, 2150, 2440, 2480, 2623, 2666, 3050, 3100, 3440, 3782, 4300, 4880, 4960, 5246, 5332, 6100, 6200, 6665, 6880, 7564, 8600, 9455, 9760, 10492, 10664, 12200, 12400, 13115, 13330, 15128, 17200, 18910, 20984, 21328, 24400, 24800, 26230, 26660, 30256, 33325, 34400, 37820, 41968, 42656, 47275, 48800, 52460, 53320, 60512, 65575, 66650, 75640, 81313, 83936, 94550, 104920, 106640, 131150, 133300, 151280, 162626, 189100, 209840, 213280, 262300, 266600, 302560, 325252, 378200, 406565, 419680, 524600, 533200, 650504, 756400, 813130, 1049200, 1066400, 1301008, 1512800, 1626260, 2032825, 2098400, 2602016, 3252520, 4065650, 6505040, 8131300, 13010080, 16262600, 32525200, 65050400]

約数ペア:

[(1, 65050400), (2, 32525200), (4, 16262600), (5, 13010080), (8, 8131300), (10, 6505040), (16, 4065650), (20, 3252520), (25, 2602016), (31, 2098400), (32, 2032825), (40, 1626260), (43, 1512800), (50, 1301008), (61, 1066400), (62, 1049200), (80, 813130), (86, 756400), (100, 650504), (122, 533200), (124, 524600), (155, 419680), (160, 406565), (172, 378200), (200, 325252), (215, 302560), (244, 266600), (248, 262300), (305, 213280), (310, 209840), (344, 189100), (400, 162626), (430, 151280), (488, 133300), (496, 131150), (610, 106640), (620, 104920), (688, 94550), (775, 83936), (800, 81313), (860, 75640), (976, 66650), (992, 65575), (1075, 60512), (1220, 53320), (1240, 52460), (1333, 48800), (1376, 47275), (1525, 42656), (1550, 41968), (1720, 37820), (1891, 34400), (1952, 33325), (2150, 30256), (2440, 26660), (2480, 26230), (2623, 24800), (2666, 24400), (3050, 21328), (3100, 20984), (3440, 18910), (3782, 17200), (4300, 15128), (4880, 13330), (4960, 13115), (5246, 12400), (5332, 12200), (6100, 10664), (6200, 10492), (6665, 9760), (6880, 9455), (7564, 8600)]