28761160

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8663}}^1$

素因数の和:8757

約数の個数: 32

約数和(自身を含む): 65499840

約数和(自身を除く): 36738680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8663, 17326, 34652, 43315, 69304, 86630, 173260, 346520, 719029, 1438058, 2876116, 3595145, 5752232, 7190290, 14380580, 28761160]

約数ペア:

[(1, 28761160), (2, 14380580), (4, 7190290), (5, 5752232), (8, 3595145), (10, 2876116), (20, 1438058), (40, 719029), (83, 346520), (166, 173260), (332, 86630), (415, 69304), (664, 43315), (830, 34652), (1660, 17326), (3320, 8663)]