495560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 1202040

約数和(自身を除く): 706480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 953, 1906, 3812, 4765, 7624, 9530, 12389, 19060, 24778, 38120, 49556, 61945, 99112, 123890, 247780, 495560]

約数ペア:

[(1, 495560), (2, 247780), (4, 123890), (5, 99112), (8, 61945), (10, 49556), (13, 38120), (20, 24778), (26, 19060), (40, 12389), (52, 9530), (65, 7624), (104, 4765), (130, 3812), (260, 1906), (520, 953)]