28344920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6271}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 64350720

約数和(自身を除く): 36005800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6271, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 708623, 1417246, 2834492, 3543115, 5668984, 7086230, 14172460, 28344920]

約数ペア:

[(1, 28344920), (2, 14172460), (4, 7086230), (5, 5668984), (8, 3543115), (10, 2834492), (20, 1417246), (40, 708623), (113, 250840), (226, 125420), (452, 62710), (565, 50168), (904, 31355), (1130, 25084), (2260, 12542), (4520, 6271)]