31137680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55603}}^1$

素因数の和:55623

約数の個数: 40

約数和(自身を含む): 82738752

約数和(自身を除く): 51601072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55603, 111206, 222412, 278015, 389221, 444824, 556030, 778442, 889648, 1112060, 1556884, 1946105, 2224120, 3113768, 3892210, 4448240, 6227536, 7784420, 15568840, 31137680]

約数ペア:

[(1, 31137680), (2, 15568840), (4, 7784420), (5, 6227536), (7, 4448240), (8, 3892210), (10, 3113768), (14, 2224120), (16, 1946105), (20, 1556884), (28, 1112060), (35, 889648), (40, 778442), (56, 556030), (70, 444824), (80, 389221), (112, 278015), (140, 222412), (280, 111206), (560, 55603)]