65211250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4048

約数の個数: 40

約数和(自身を含む): 131667228

約数和(自身を除く): 66455978

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4013, 8026, 8125, 16250, 20065, 40130, 52169, 100325, 104338, 200650, 260845, 501625, 521690, 1003250, 1304225, 2508125, 2608450, 5016250, 6521125, 13042250, 32605625, 65211250]

約数ペア:

[(1, 65211250), (2, 32605625), (5, 13042250), (10, 6521125), (13, 5016250), (25, 2608450), (26, 2508125), (50, 1304225), (65, 1003250), (125, 521690), (130, 501625), (250, 260845), (325, 200650), (625, 104338), (650, 100325), (1250, 52169), (1625, 40130), (3250, 20065), (4013, 16250), (8026, 8125)]