39456800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 104493312

約数和(自身を除く): 65036512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 43, 50, 62, 74, 80, 86, 100, 124, 148, 155, 160, 172, 185, 200, 215, 248, 296, 310, 344, 370, 400, 430, 496, 592, 620, 688, 740, 775, 800, 860, 925, 992, 1075, 1147, 1184, 1240, 1333, 1376, 1480, 1550, 1591, 1720, 1850, 2150, 2294, 2480, 2666, 2960, 3100, 3182, 3440, 3700, 4300, 4588, 4960, 5332, 5735, 5920, 6200, 6364, 6665, 6880, 7400, 7955, 8600, 9176, 10664, 11470, 12400, 12728, 13330, 14800, 15910, 17200, 18352, 21328, 22940, 24800, 25456, 26660, 28675, 29600, 31820, 33325, 34400, 36704, 39775, 42656, 45880, 49321, 50912, 53320, 57350, 63640, 66650, 79550, 91760, 98642, 106640, 114700, 127280, 133300, 159100, 183520, 197284, 213280, 229400, 246605, 254560, 266600, 318200, 394568, 458800, 493210, 533200, 636400, 789136, 917600, 986420, 1066400, 1233025, 1272800, 1578272, 1972840, 2466050, 3945680, 4932100, 7891360, 9864200, 19728400, 39456800]

約数ペア:

[(1, 39456800), (2, 19728400), (4, 9864200), (5, 7891360), (8, 4932100), (10, 3945680), (16, 2466050), (20, 1972840), (25, 1578272), (31, 1272800), (32, 1233025), (37, 1066400), (40, 986420), (43, 917600), (50, 789136), (62, 636400), (74, 533200), (80, 493210), (86, 458800), (100, 394568), (124, 318200), (148, 266600), (155, 254560), (160, 246605), (172, 229400), (185, 213280), (200, 197284), (215, 183520), (248, 159100), (296, 133300), (310, 127280), (344, 114700), (370, 106640), (400, 98642), (430, 91760), (496, 79550), (592, 66650), (620, 63640), (688, 57350), (740, 53320), (775, 50912), (800, 49321), (860, 45880), (925, 42656), (992, 39775), (1075, 36704), (1147, 34400), (1184, 33325), (1240, 31820), (1333, 29600), (1376, 28675), (1480, 26660), (1550, 25456), (1591, 24800), (1720, 22940), (1850, 21328), (2150, 18352), (2294, 17200), (2480, 15910), (2666, 14800), (2960, 13330), (3100, 12728), (3182, 12400), (3440, 11470), (3700, 10664), (4300, 9176), (4588, 8600), (4960, 7955), (5332, 7400), (5735, 6880), (5920, 6665), (6200, 6364)]