28423880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6899}}^1$

素因数の和:7013

約数の個数: 32

約数和(自身を含む): 64584000

約数和(自身を除く): 36160120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6899, 13798, 27596, 34495, 55192, 68990, 137980, 275960, 710597, 1421194, 2842388, 3552985, 5684776, 7105970, 14211940, 28423880]

約数ペア:

[(1, 28423880), (2, 14211940), (4, 7105970), (5, 5684776), (8, 3552985), (10, 2842388), (20, 1421194), (40, 710597), (103, 275960), (206, 137980), (412, 68990), (515, 55192), (824, 34495), (1030, 27596), (2060, 13798), (4120, 6899)]