1621000460

素因数分解:

$2^2\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{25163}}^1$

素因数の和:28393

約数の個数: 24

約数和(自身を含む): 3405293136

約数和(自身を除く): 1784292676

約数列:

[1, 2, 4, 5, 10, 20, 3221, 6442, 12884, 16105, 25163, 32210, 50326, 64420, 100652, 125815, 251630, 503260, 81050023, 162100046, 324200092, 405250115, 810500230, 1621000460]

約数ペア:

[(1, 1621000460), (2, 810500230), (4, 405250115), (5, 324200092), (10, 162100046), (20, 81050023), (3221, 503260), (6442, 251630), (12884, 125815), (16105, 100652), (25163, 64420), (32210, 50326)]