40651910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 43173370

約数列:

[1, 2, 5, 10, 13, 26, 29, 41, 58, 65, 82, 130, 145, 205, 263, 290, 377, 410, 526, 533, 754, 1066, 1189, 1315, 1885, 2378, 2630, 2665, 3419, 3770, 5330, 5945, 6838, 7627, 10783, 11890, 15254, 15457, 17095, 21566, 30914, 34190, 38135, 53915, 76270, 77285, 99151, 107830, 140179, 154570, 198302, 280358, 312707, 495755, 625414, 700895, 991510, 1401790, 1563535, 3127070, 4065191, 8130382, 20325955, 40651910]

約数ペア:

[(1, 40651910), (2, 20325955), (5, 8130382), (10, 4065191), (13, 3127070), (26, 1563535), (29, 1401790), (41, 991510), (58, 700895), (65, 625414), (82, 495755), (130, 312707), (145, 280358), (205, 198302), (263, 154570), (290, 140179), (377, 107830), (410, 99151), (526, 77285), (533, 76270), (754, 53915), (1066, 38135), (1189, 34190), (1315, 30914), (1885, 21566), (2378, 17095), (2630, 15457), (2665, 15254), (3419, 11890), (3770, 10783), (5330, 7627), (5945, 6838)]