51838280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99689}}^1$

素因数の和:99713

約数の個数: 32

約数和(自身を含む): 125609400

約数和(自身を除く): 73771120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99689, 199378, 398756, 498445, 797512, 996890, 1295957, 1993780, 2591914, 3987560, 5183828, 6479785, 10367656, 12959570, 25919140, 51838280]

約数ペア:

[(1, 51838280), (2, 25919140), (4, 12959570), (5, 10367656), (8, 6479785), (10, 5183828), (13, 3987560), (20, 2591914), (26, 1993780), (40, 1295957), (52, 996890), (65, 797512), (104, 498445), (130, 398756), (260, 199378), (520, 99689)]