15958280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30689}}^1$

素因数の和:30713

約数の個数: 32

約数和(自身を含む): 38669400

約数和(自身を除く): 22711120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30689, 61378, 122756, 153445, 245512, 306890, 398957, 613780, 797914, 1227560, 1595828, 1994785, 3191656, 3989570, 7979140, 15958280]

約数ペア:

[(1, 15958280), (2, 7979140), (4, 3989570), (5, 3191656), (8, 1994785), (10, 1595828), (13, 1227560), (20, 797914), (26, 613780), (40, 398957), (52, 306890), (65, 245512), (104, 153445), (130, 122756), (260, 61378), (520, 30689)]