25167440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7673}}^1$

素因数の和:7727

約数の個数: 40

約数和(自身を含む): 59949288

約数和(自身を除く): 34781848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7673, 15346, 30692, 38365, 61384, 76730, 122768, 153460, 306920, 314593, 613840, 629186, 1258372, 1572965, 2516744, 3145930, 5033488, 6291860, 12583720, 25167440]

約数ペア:

[(1, 25167440), (2, 12583720), (4, 6291860), (5, 5033488), (8, 3145930), (10, 2516744), (16, 1572965), (20, 1258372), (40, 629186), (41, 613840), (80, 314593), (82, 306920), (164, 153460), (205, 122768), (328, 76730), (410, 61384), (656, 38365), (820, 30692), (1640, 15346), (3280, 7673)]