2018680940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{32237}}^1$

素因数の和:32378

約数の個数: 48

約数和(自身を含む): 4419442944

約数和(自身を除く): 2400762004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 31310, 32237, 62620, 64474, 128948, 161185, 322370, 644740, 999347, 1998694, 3255937, 3997388, 4996735, 6511874, 9993470, 13023748, 16279685, 19986940, 32559370, 65118740, 100934047, 201868094, 403736188, 504670235, 1009340470, 2018680940]

約数ペア:

[(1, 2018680940), (2, 1009340470), (4, 504670235), (5, 403736188), (10, 201868094), (20, 100934047), (31, 65118740), (62, 32559370), (101, 19986940), (124, 16279685), (155, 13023748), (202, 9993470), (310, 6511874), (404, 4996735), (505, 3997388), (620, 3255937), (1010, 1998694), (2020, 999347), (3131, 644740), (6262, 322370), (12524, 161185), (15655, 128948), (31310, 64474), (32237, 62620)]