63613960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 148780800

約数和(自身を除く): 85166840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 491, 632, 790, 820, 982, 1580, 1640, 1964, 2455, 3160, 3239, 3928, 4910, 6478, 9820, 12956, 16195, 19640, 20131, 25912, 32390, 38789, 40262, 64780, 77578, 80524, 100655, 129560, 155156, 161048, 193945, 201310, 310312, 387890, 402620, 775780, 805240, 1551560, 1590349, 3180698, 6361396, 7951745, 12722792, 15903490, 31806980, 63613960]

約数ペア:

[(1, 63613960), (2, 31806980), (4, 15903490), (5, 12722792), (8, 7951745), (10, 6361396), (20, 3180698), (40, 1590349), (41, 1551560), (79, 805240), (82, 775780), (158, 402620), (164, 387890), (205, 310312), (316, 201310), (328, 193945), (395, 161048), (410, 155156), (491, 129560), (632, 100655), (790, 80524), (820, 77578), (982, 64780), (1580, 40262), (1640, 38789), (1964, 32390), (2455, 25912), (3160, 20131), (3239, 19640), (3928, 16195), (4910, 12956), (6478, 9820)]