52040320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 133562880

約数和(自身を除く): 81522560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 61, 62, 64, 80, 86, 122, 124, 128, 155, 160, 172, 215, 244, 248, 305, 310, 320, 344, 430, 488, 496, 610, 620, 640, 688, 860, 976, 992, 1220, 1240, 1333, 1376, 1720, 1891, 1952, 1984, 2440, 2480, 2623, 2666, 2752, 3440, 3782, 3904, 3968, 4880, 4960, 5246, 5332, 5504, 6665, 6880, 7564, 7808, 9455, 9760, 9920, 10492, 10664, 13115, 13330, 13760, 15128, 18910, 19520, 19840, 20984, 21328, 26230, 26660, 27520, 30256, 37820, 39040, 41968, 42656, 52460, 53320, 60512, 75640, 81313, 83936, 85312, 104920, 106640, 121024, 151280, 162626, 167872, 170624, 209840, 213280, 242048, 302560, 325252, 335744, 406565, 419680, 426560, 605120, 650504, 813130, 839360, 853120, 1210240, 1301008, 1626260, 1678720, 2602016, 3252520, 5204032, 6505040, 10408064, 13010080, 26020160, 52040320]

約数ペア:

[(1, 52040320), (2, 26020160), (4, 13010080), (5, 10408064), (8, 6505040), (10, 5204032), (16, 3252520), (20, 2602016), (31, 1678720), (32, 1626260), (40, 1301008), (43, 1210240), (61, 853120), (62, 839360), (64, 813130), (80, 650504), (86, 605120), (122, 426560), (124, 419680), (128, 406565), (155, 335744), (160, 325252), (172, 302560), (215, 242048), (244, 213280), (248, 209840), (305, 170624), (310, 167872), (320, 162626), (344, 151280), (430, 121024), (488, 106640), (496, 104920), (610, 85312), (620, 83936), (640, 81313), (688, 75640), (860, 60512), (976, 53320), (992, 52460), (1220, 42656), (1240, 41968), (1333, 39040), (1376, 37820), (1720, 30256), (1891, 27520), (1952, 26660), (1984, 26230), (2440, 21328), (2480, 20984), (2623, 19840), (2666, 19520), (2752, 18910), (3440, 15128), (3782, 13760), (3904, 13330), (3968, 13115), (4880, 10664), (4960, 10492), (5246, 9920), (5332, 9760), (5504, 9455), (6665, 7808), (6880, 7564)]