25412052220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{671921}}^1$

素因数の和:672022

約数の個数: 48

約数和(自身を含む): 55989916416

約数和(自身を除く): 30577864196

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 671921, 1343842, 2687684, 3359605, 6719210, 13438420, 20829551, 40987181, 41659102, 81974362, 83318204, 104147755, 163948724, 204935905, 208295510, 409871810, 416591020, 819743620, 1270602611, 2541205222, 5082410444, 6353013055, 12706026110, 25412052220]

約数ペア:

[(1, 25412052220), (2, 12706026110), (4, 6353013055), (5, 5082410444), (10, 2541205222), (20, 1270602611), (31, 819743620), (61, 416591020), (62, 409871810), (122, 208295510), (124, 204935905), (155, 163948724), (244, 104147755), (305, 83318204), (310, 81974362), (610, 41659102), (620, 40987181), (1220, 20829551), (1891, 13438420), (3782, 6719210), (7564, 3359605), (9455, 2687684), (18910, 1343842), (37820, 671921)]