25786540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 60787440

約数和(自身を除く): 35000900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 59, 65, 82, 118, 130, 164, 205, 236, 260, 295, 410, 533, 590, 767, 820, 1066, 1180, 1534, 1681, 2132, 2419, 2665, 3068, 3362, 3835, 4838, 5330, 6724, 7670, 8405, 9676, 10660, 12095, 15340, 16810, 21853, 24190, 31447, 33620, 43706, 48380, 62894, 87412, 99179, 109265, 125788, 157235, 198358, 218530, 314470, 396716, 437060, 495895, 628940, 991790, 1289327, 1983580, 2578654, 5157308, 6446635, 12893270, 25786540]

約数ペア:

[(1, 25786540), (2, 12893270), (4, 6446635), (5, 5157308), (10, 2578654), (13, 1983580), (20, 1289327), (26, 991790), (41, 628940), (52, 495895), (59, 437060), (65, 396716), (82, 314470), (118, 218530), (130, 198358), (164, 157235), (205, 125788), (236, 109265), (260, 99179), (295, 87412), (410, 62894), (533, 48380), (590, 43706), (767, 33620), (820, 31447), (1066, 24190), (1180, 21853), (1534, 16810), (1681, 15340), (2132, 12095), (2419, 10660), (2665, 9676), (3068, 8405), (3362, 7670), (3835, 6724), (4838, 5330)]