71814920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 165957120

約数和(自身を除く): 94142200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 194, 223, 332, 388, 415, 446, 485, 664, 776, 830, 892, 970, 1115, 1660, 1784, 1940, 2230, 3320, 3880, 4460, 8051, 8920, 16102, 18509, 21631, 32204, 37018, 40255, 43262, 64408, 74036, 80510, 86524, 92545, 108155, 148072, 161020, 173048, 185090, 216310, 322040, 370180, 432620, 740360, 865240, 1795373, 3590746, 7181492, 8976865, 14362984, 17953730, 35907460, 71814920]

約数ペア:

[(1, 71814920), (2, 35907460), (4, 17953730), (5, 14362984), (8, 8976865), (10, 7181492), (20, 3590746), (40, 1795373), (83, 865240), (97, 740360), (166, 432620), (194, 370180), (223, 322040), (332, 216310), (388, 185090), (415, 173048), (446, 161020), (485, 148072), (664, 108155), (776, 92545), (830, 86524), (892, 80510), (970, 74036), (1115, 64408), (1660, 43262), (1784, 40255), (1940, 37018), (2230, 32204), (3320, 21631), (3880, 18509), (4460, 16102), (8051, 8920)]