29955160

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1831}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 67600800

約数和(自身を除く): 37645640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 1831, 2045, 3272, 3662, 4090, 7324, 8180, 9155, 14648, 16360, 18310, 36620, 73240, 748879, 1497758, 2995516, 3744395, 5991032, 7488790, 14977580, 29955160]

約数ペア:

[(1, 29955160), (2, 14977580), (4, 7488790), (5, 5991032), (8, 3744395), (10, 2995516), (20, 1497758), (40, 748879), (409, 73240), (818, 36620), (1636, 18310), (1831, 16360), (2045, 14648), (3272, 9155), (3662, 8180), (4090, 7324)]