28000360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41177}}^1$

素因数の和:41205

約数の個数: 32

約数和(自身を含む): 66708360

約数和(自身を除く): 38708000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41177, 82354, 164708, 205885, 329416, 411770, 700009, 823540, 1400018, 1647080, 2800036, 3500045, 5600072, 7000090, 14000180, 28000360]

約数ペア:

[(1, 28000360), (2, 14000180), (4, 7000090), (5, 5600072), (8, 3500045), (10, 2800036), (17, 1647080), (20, 1400018), (34, 823540), (40, 700009), (68, 411770), (85, 329416), (136, 205885), (170, 164708), (340, 82354), (680, 41177)]