845464240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{340913}}^1$

素因数の和:340957

約数の個数: 40

約数和(自身を含む): 2029120128

約数和(自身を除く): 1183655888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 340913, 681826, 1363652, 1704565, 2727304, 3409130, 5454608, 6818260, 10568303, 13636520, 21136606, 27273040, 42273212, 52841515, 84546424, 105683030, 169092848, 211366060, 422732120, 845464240]

約数ペア:

[(1, 845464240), (2, 422732120), (4, 211366060), (5, 169092848), (8, 105683030), (10, 84546424), (16, 52841515), (20, 42273212), (31, 27273040), (40, 21136606), (62, 13636520), (80, 10568303), (124, 6818260), (155, 5454608), (248, 3409130), (310, 2727304), (496, 1704565), (620, 1363652), (1240, 681826), (2480, 340913)]