56366680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 132295680

約数和(自身を除く): 75929000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 347, 524, 620, 655, 694, 1048, 1240, 1310, 1388, 1735, 2620, 2776, 3470, 4061, 5240, 6940, 8122, 10757, 13880, 16244, 20305, 21514, 32488, 40610, 43028, 45457, 53785, 81220, 86056, 90914, 107570, 162440, 181828, 215140, 227285, 363656, 430280, 454570, 909140, 1409167, 1818280, 2818334, 5636668, 7045835, 11273336, 14091670, 28183340, 56366680]

約数ペア:

[(1, 56366680), (2, 28183340), (4, 14091670), (5, 11273336), (8, 7045835), (10, 5636668), (20, 2818334), (31, 1818280), (40, 1409167), (62, 909140), (124, 454570), (131, 430280), (155, 363656), (248, 227285), (262, 215140), (310, 181828), (347, 162440), (524, 107570), (620, 90914), (655, 86056), (694, 81220), (1048, 53785), (1240, 45457), (1310, 43028), (1388, 40610), (1735, 32488), (2620, 21514), (2776, 20305), (3470, 16244), (4061, 13880), (5240, 10757), (6940, 8122)]