25345720

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2767}}^1$

素因数の和:3007

約数の個数: 32

約数和(自身を含む): 57297600

約数和(自身を除く): 31951880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 2767, 4580, 5534, 9160, 11068, 13835, 22136, 27670, 55340, 110680, 633643, 1267286, 2534572, 3168215, 5069144, 6336430, 12672860, 25345720]

約数ペア:

[(1, 25345720), (2, 12672860), (4, 6336430), (5, 5069144), (8, 3168215), (10, 2534572), (20, 1267286), (40, 633643), (229, 110680), (458, 55340), (916, 27670), (1145, 22136), (1832, 13835), (2290, 11068), (2767, 9160), (4580, 5534)]