4991956040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{56701}}^1$

素因数の和:56814

約数の個数: 64

約数和(自身を含む): 11757726720

約数和(自身を除く): 6765770680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2840, 4402, 8804, 11005, 17608, 22010, 44020, 56701, 88040, 113402, 226804, 283505, 453608, 567010, 1134020, 1757731, 2268040, 3515462, 4025771, 7030924, 8051542, 8788655, 14061848, 16103084, 17577310, 20128855, 32206168, 35154620, 40257710, 70309240, 80515420, 124798901, 161030840, 249597802, 499195604, 623994505, 998391208, 1247989010, 2495978020, 4991956040]

約数ペア:

[(1, 4991956040), (2, 2495978020), (4, 1247989010), (5, 998391208), (8, 623994505), (10, 499195604), (20, 249597802), (31, 161030840), (40, 124798901), (62, 80515420), (71, 70309240), (124, 40257710), (142, 35154620), (155, 32206168), (248, 20128855), (284, 17577310), (310, 16103084), (355, 14061848), (568, 8788655), (620, 8051542), (710, 7030924), (1240, 4025771), (1420, 3515462), (2201, 2268040), (2840, 1757731), (4402, 1134020), (8804, 567010), (11005, 453608), (17608, 283505), (22010, 226804), (44020, 113402), (56701, 88040)]