57289240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 136028160

約数和(自身を除く): 78738920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 983, 1240, 1457, 1880, 1966, 2914, 3932, 4915, 5828, 7285, 7864, 9830, 11656, 14570, 19660, 29140, 30473, 39320, 46201, 58280, 60946, 92402, 121892, 152365, 184804, 231005, 243784, 304730, 369608, 462010, 609460, 924020, 1218920, 1432231, 1848040, 2864462, 5728924, 7161155, 11457848, 14322310, 28644620, 57289240]

約数ペア:

[(1, 57289240), (2, 28644620), (4, 14322310), (5, 11457848), (8, 7161155), (10, 5728924), (20, 2864462), (31, 1848040), (40, 1432231), (47, 1218920), (62, 924020), (94, 609460), (124, 462010), (155, 369608), (188, 304730), (235, 243784), (248, 231005), (310, 184804), (376, 152365), (470, 121892), (620, 92402), (940, 60946), (983, 58280), (1240, 46201), (1457, 39320), (1880, 30473), (1966, 29140), (2914, 19660), (3932, 14570), (4915, 11656), (5828, 9830), (7285, 7864)]