201259160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122719}}^1$

素因数の和:122771

約数の個数: 32

約数和(自身を含む): 463881600

約数和(自身を除く): 262622440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122719, 245438, 490876, 613595, 981752, 1227190, 2454380, 4908760, 5031479, 10062958, 20125916, 25157395, 40251832, 50314790, 100629580, 201259160]

約数ペア:

[(1, 201259160), (2, 100629580), (4, 50314790), (5, 40251832), (8, 25157395), (10, 20125916), (20, 10062958), (40, 5031479), (41, 4908760), (82, 2454380), (164, 1227190), (205, 981752), (328, 613595), (410, 490876), (820, 245438), (1640, 122719)]