25329220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 61125120

約数和(自身を除く): 35795900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 757, 956, 1195, 1514, 1673, 2390, 3028, 3346, 3785, 4780, 5299, 6692, 7570, 8365, 10598, 15140, 16730, 21196, 26495, 33460, 52990, 105980, 180923, 361846, 723692, 904615, 1266461, 1809230, 2532922, 3618460, 5065844, 6332305, 12664610, 25329220]

約数ペア:

[(1, 25329220), (2, 12664610), (4, 6332305), (5, 5065844), (7, 3618460), (10, 2532922), (14, 1809230), (20, 1266461), (28, 904615), (35, 723692), (70, 361846), (140, 180923), (239, 105980), (478, 52990), (757, 33460), (956, 26495), (1195, 21196), (1514, 16730), (1673, 15140), (2390, 10598), (3028, 8365), (3346, 7570), (3785, 6692), (4780, 5299)]