6644560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6415

約数の個数: 40

約数和(自身を含む): 16639560

約数和(自身を除く): 9995000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6389, 12778, 25556, 31945, 51112, 63890, 83057, 102224, 127780, 166114, 255560, 332228, 415285, 511120, 664456, 830570, 1328912, 1661140, 3322280, 6644560]

約数ペア:

[(1, 6644560), (2, 3322280), (4, 1661140), (5, 1328912), (8, 830570), (10, 664456), (13, 511120), (16, 415285), (20, 332228), (26, 255560), (40, 166114), (52, 127780), (65, 102224), (80, 83057), (104, 63890), (130, 51112), (208, 31945), (260, 25556), (520, 12778), (1040, 6389)]