31208190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80021}}^1$

素因数の和:80044

約数の個数: 32

約数和(自身を含む): 80662176

約数和(自身を除く): 49453986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80021, 160042, 240063, 400105, 480126, 800210, 1040273, 1200315, 2080546, 2400630, 3120819, 5201365, 6241638, 10402730, 15604095, 31208190]

約数ペア:

[(1, 31208190), (2, 15604095), (3, 10402730), (5, 6241638), (6, 5201365), (10, 3120819), (13, 2400630), (15, 2080546), (26, 1200315), (30, 1040273), (39, 800210), (65, 480126), (78, 400105), (130, 240063), (195, 160042), (390, 80021)]