28481080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9013}}^1$

素因数の和:9103

約数の個数: 32

約数和(自身を含む): 64900800

約数和(自身を除く): 36419720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9013, 18026, 36052, 45065, 72104, 90130, 180260, 360520, 712027, 1424054, 2848108, 3560135, 5696216, 7120270, 14240540, 28481080]

約数ペア:

[(1, 28481080), (2, 14240540), (4, 7120270), (5, 5696216), (8, 3560135), (10, 2848108), (20, 1424054), (40, 712027), (79, 360520), (158, 180260), (316, 90130), (395, 72104), (632, 45065), (790, 36052), (1580, 18026), (3160, 9013)]