31249140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40063}}^1$

素因数の和:40088

約数の個数: 48

約数和(自身を含む): 94230528

約数和(自身を除く): 62981388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40063, 80126, 120189, 160252, 200315, 240378, 400630, 480756, 520819, 600945, 801260, 1041638, 1201890, 1562457, 2083276, 2403780, 2604095, 3124914, 5208190, 6249828, 7812285, 10416380, 15624570, 31249140]

約数ペア:

[(1, 31249140), (2, 15624570), (3, 10416380), (4, 7812285), (5, 6249828), (6, 5208190), (10, 3124914), (12, 2604095), (13, 2403780), (15, 2083276), (20, 1562457), (26, 1201890), (30, 1041638), (39, 801260), (52, 600945), (60, 520819), (65, 480756), (78, 400630), (130, 240378), (156, 200315), (195, 160252), (260, 120189), (390, 80126), (780, 40063)]