13856440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26647}}^1$

素因数の和:26671

約数の個数: 32

約数和(自身を含む): 33576480

約数和(自身を除く): 19720040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26647, 53294, 106588, 133235, 213176, 266470, 346411, 532940, 692822, 1065880, 1385644, 1732055, 2771288, 3464110, 6928220, 13856440]

約数ペア:

[(1, 13856440), (2, 6928220), (4, 3464110), (5, 2771288), (8, 1732055), (10, 1385644), (13, 1065880), (20, 692822), (26, 532940), (40, 346411), (52, 266470), (65, 213176), (104, 133235), (130, 106588), (260, 53294), (520, 26647)]