64394500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4489

約数の個数: 48

約数和(自身を含む): 145519920

約数和(自身を除く): 81125420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 4441, 7250, 8882, 14500, 17764, 22205, 44410, 88820, 111025, 128789, 222050, 257578, 444100, 515156, 555125, 643945, 1110250, 1287890, 2220500, 2575780, 3219725, 6439450, 12878900, 16098625, 32197250, 64394500]

約数ペア:

[(1, 64394500), (2, 32197250), (4, 16098625), (5, 12878900), (10, 6439450), (20, 3219725), (25, 2575780), (29, 2220500), (50, 1287890), (58, 1110250), (100, 643945), (116, 555125), (125, 515156), (145, 444100), (250, 257578), (290, 222050), (500, 128789), (580, 111025), (725, 88820), (1450, 44410), (2900, 22205), (3625, 17764), (4441, 14500), (7250, 8882)]