28010440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6197}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 63591480

約数和(自身を除く): 35581040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 700261, 1400522, 2801044, 3501305, 5602088, 7002610, 14005220, 28010440]

約数ペア:

[(1, 28010440), (2, 14005220), (4, 7002610), (5, 5602088), (8, 3501305), (10, 2801044), (20, 1400522), (40, 700261), (113, 247880), (226, 123940), (452, 61970), (565, 49576), (904, 30985), (1130, 24788), (2260, 12394), (4520, 6197)]