8045404420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1\times {\mathrm{4441}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 17014636800

約数和(自身を除く): 8969232380

約数列:

[1, 2, 4, 5, 10, 20, 239, 379, 478, 758, 956, 1195, 1516, 1895, 2390, 3790, 4441, 4780, 7580, 8882, 17764, 22205, 44410, 88820, 90581, 181162, 362324, 452905, 905810, 1061399, 1683139, 1811620, 2122798, 3366278, 4245596, 5306995, 6732556, 8415695, 10613990, 16831390, 21227980, 33662780, 402270221, 804540442, 1609080884, 2011351105, 4022702210, 8045404420]

約数ペア:

[(1, 8045404420), (2, 4022702210), (4, 2011351105), (5, 1609080884), (10, 804540442), (20, 402270221), (239, 33662780), (379, 21227980), (478, 16831390), (758, 10613990), (956, 8415695), (1195, 6732556), (1516, 5306995), (1895, 4245596), (2390, 3366278), (3790, 2122798), (4441, 1811620), (4780, 1683139), (7580, 1061399), (8882, 905810), (17764, 452905), (22205, 362324), (44410, 181162), (88820, 90581)]