38940280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 91355040

約数和(自身を除く): 52414760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 296, 317, 332, 370, 415, 634, 664, 740, 830, 1268, 1480, 1585, 1660, 2536, 3071, 3170, 3320, 6142, 6340, 11729, 12284, 12680, 15355, 23458, 24568, 26311, 30710, 46916, 52622, 58645, 61420, 93832, 105244, 117290, 122840, 131555, 210488, 234580, 263110, 469160, 526220, 973507, 1052440, 1947014, 3894028, 4867535, 7788056, 9735070, 19470140, 38940280]

約数ペア:

[(1, 38940280), (2, 19470140), (4, 9735070), (5, 7788056), (8, 4867535), (10, 3894028), (20, 1947014), (37, 1052440), (40, 973507), (74, 526220), (83, 469160), (148, 263110), (166, 234580), (185, 210488), (296, 131555), (317, 122840), (332, 117290), (370, 105244), (415, 93832), (634, 61420), (664, 58645), (740, 52622), (830, 46916), (1268, 30710), (1480, 26311), (1585, 24568), (1660, 23458), (2536, 15355), (3071, 12680), (3170, 12284), (3320, 11729), (6142, 6340)]