25840880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24847}}^1$

素因数の和:24873

約数の個数: 40

約数和(自身を含む): 64704192

約数和(自身を除く): 38863312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24847, 49694, 99388, 124235, 198776, 248470, 323011, 397552, 496940, 646022, 993880, 1292044, 1615055, 1987760, 2584088, 3230110, 5168176, 6460220, 12920440, 25840880]

約数ペア:

[(1, 25840880), (2, 12920440), (4, 6460220), (5, 5168176), (8, 3230110), (10, 2584088), (13, 1987760), (16, 1615055), (20, 1292044), (26, 993880), (40, 646022), (52, 496940), (65, 397552), (80, 323011), (104, 248470), (130, 198776), (208, 124235), (260, 99388), (520, 49694), (1040, 24847)]