39838640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 97651488

約数和(自身を除く): 57812848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 313, 344, 370, 430, 592, 626, 688, 740, 860, 1252, 1480, 1565, 1591, 1720, 2504, 2960, 3130, 3182, 3440, 5008, 6260, 6364, 7955, 11581, 12520, 12728, 13459, 15910, 23162, 25040, 25456, 26918, 31820, 46324, 53836, 57905, 63640, 67295, 92648, 107672, 115810, 127280, 134590, 185296, 215344, 231620, 269180, 463240, 497983, 538360, 926480, 995966, 1076720, 1991932, 2489915, 3983864, 4979830, 7967728, 9959660, 19919320, 39838640]

約数ペア:

[(1, 39838640), (2, 19919320), (4, 9959660), (5, 7967728), (8, 4979830), (10, 3983864), (16, 2489915), (20, 1991932), (37, 1076720), (40, 995966), (43, 926480), (74, 538360), (80, 497983), (86, 463240), (148, 269180), (172, 231620), (185, 215344), (215, 185296), (296, 134590), (313, 127280), (344, 115810), (370, 107672), (430, 92648), (592, 67295), (626, 63640), (688, 57905), (740, 53836), (860, 46324), (1252, 31820), (1480, 26918), (1565, 25456), (1591, 25040), (1720, 23162), (2504, 15910), (2960, 13459), (3130, 12728), (3182, 12520), (3440, 11581), (5008, 7955), (6260, 6364)]