408024920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{90271}}^1$

素因数の和:90395

約数の個数: 32

約数和(自身を含む): 926190720

約数和(自身を除く): 518165800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 90271, 180542, 361084, 451355, 722168, 902710, 1805420, 3610840, 10200623, 20401246, 40802492, 51003115, 81604984, 102006230, 204012460, 408024920]

約数ペア:

[(1, 408024920), (2, 204012460), (4, 102006230), (5, 81604984), (8, 51003115), (10, 40802492), (20, 20401246), (40, 10200623), (113, 3610840), (226, 1805420), (452, 902710), (565, 722168), (904, 451355), (1130, 361084), (2260, 180542), (4520, 90271)]