64021360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61559}}^1$

素因数の和:61585

約数の個数: 40

約数和(自身を含む): 160302240

約数和(自身を除く): 96280880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61559, 123118, 246236, 307795, 492472, 615590, 800267, 984944, 1231180, 1600534, 2462360, 3201068, 4001335, 4924720, 6402136, 8002670, 12804272, 16005340, 32010680, 64021360]

約数ペア:

[(1, 64021360), (2, 32010680), (4, 16005340), (5, 12804272), (8, 8002670), (10, 6402136), (13, 4924720), (16, 4001335), (20, 3201068), (26, 2462360), (40, 1600534), (52, 1231180), (65, 984944), (80, 800267), (104, 615590), (130, 492472), (208, 307795), (260, 246236), (520, 123118), (1040, 61559)]