8852980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 19514880

約数和(自身を除く): 10661900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 131, 155, 218, 262, 310, 436, 524, 545, 620, 655, 1090, 1310, 2180, 2620, 3379, 4061, 6758, 8122, 13516, 14279, 16244, 16895, 20305, 28558, 33790, 40610, 57116, 67580, 71395, 81220, 142790, 285580, 442649, 885298, 1770596, 2213245, 4426490, 8852980]

約数ペア:

[(1, 8852980), (2, 4426490), (4, 2213245), (5, 1770596), (10, 885298), (20, 442649), (31, 285580), (62, 142790), (109, 81220), (124, 71395), (131, 67580), (155, 57116), (218, 40610), (262, 33790), (310, 28558), (436, 20305), (524, 16895), (545, 16244), (620, 14279), (655, 13516), (1090, 8122), (1310, 6758), (2180, 4061), (2620, 3379)]