64707760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62219}}^1$

素因数の和:62245

約数の個数: 40

約数和(自身を含む): 162020880

約数和(自身を除く): 97313120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62219, 124438, 248876, 311095, 497752, 622190, 808847, 995504, 1244380, 1617694, 2488760, 3235388, 4044235, 4977520, 6470776, 8088470, 12941552, 16176940, 32353880, 64707760]

約数ペア:

[(1, 64707760), (2, 32353880), (4, 16176940), (5, 12941552), (8, 8088470), (10, 6470776), (13, 4977520), (16, 4044235), (20, 3235388), (26, 2488760), (40, 1617694), (52, 1244380), (65, 995504), (80, 808847), (104, 622190), (130, 497752), (208, 311095), (260, 248876), (520, 124438), (1040, 62219)]