28914440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6397}}^1$

素因数の和:6521

約数の個数: 32

約数和(自身を含む): 65643480

約数和(自身を除く): 36729040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6397, 12794, 25588, 31985, 51176, 63970, 127940, 255880, 722861, 1445722, 2891444, 3614305, 5782888, 7228610, 14457220, 28914440]

約数ペア:

[(1, 28914440), (2, 14457220), (4, 7228610), (5, 5782888), (8, 3614305), (10, 2891444), (20, 1445722), (40, 722861), (113, 255880), (226, 127940), (452, 63970), (565, 51176), (904, 31985), (1130, 25588), (2260, 12794), (4520, 6397)]