31883680

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 76109544

約数和(自身を除く): 44225864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 1973, 2020, 3232, 3946, 4040, 7892, 8080, 9865, 15784, 16160, 19730, 31568, 39460, 63136, 78920, 157840, 199273, 315680, 398546, 797092, 996365, 1594184, 1992730, 3188368, 3985460, 6376736, 7970920, 15941840, 31883680]

約数ペア:

[(1, 31883680), (2, 15941840), (4, 7970920), (5, 6376736), (8, 3985460), (10, 3188368), (16, 1992730), (20, 1594184), (32, 996365), (40, 797092), (80, 398546), (101, 315680), (160, 199273), (202, 157840), (404, 78920), (505, 63136), (808, 39460), (1010, 31568), (1616, 19730), (1973, 16160), (2020, 15784), (3232, 9865), (3946, 8080), (4040, 7892)]