431931440

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{8423}}^1$

素因数の和:9077

約数の個数: 40

約数和(自身を含む): 1005926688

約数和(自身を除く): 573995248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 8423, 10256, 12820, 16846, 25640, 33692, 42115, 51280, 67384, 84230, 134768, 168460, 336920, 673840, 5399143, 10798286, 21596572, 26995715, 43193144, 53991430, 86386288, 107982860, 215965720, 431931440]

約数ペア:

[(1, 431931440), (2, 215965720), (4, 107982860), (5, 86386288), (8, 53991430), (10, 43193144), (16, 26995715), (20, 21596572), (40, 10798286), (80, 5399143), (641, 673840), (1282, 336920), (2564, 168460), (3205, 134768), (5128, 84230), (6410, 67384), (8423, 51280), (10256, 42115), (12820, 33692), (16846, 25640)]