13289120

素因数分解:

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

素因数の和:6417

約数の個数: 48

約数和(自身を含む): 33815880

約数和(自身を除く): 20526760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6389, 12778, 25556, 31945, 51112, 63890, 83057, 102224, 127780, 166114, 204448, 255560, 332228, 415285, 511120, 664456, 830570, 1022240, 1328912, 1661140, 2657824, 3322280, 6644560, 13289120]

約数ペア:

[(1, 13289120), (2, 6644560), (4, 3322280), (5, 2657824), (8, 1661140), (10, 1328912), (13, 1022240), (16, 830570), (20, 664456), (26, 511120), (32, 415285), (40, 332228), (52, 255560), (65, 204448), (80, 166114), (104, 127780), (130, 102224), (160, 83057), (208, 63890), (260, 51112), (416, 31945), (520, 25556), (1040, 12778), (2080, 6389)]