26271440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25261}}^1$

素因数の和:25287

約数の個数: 40

約数和(自身を含む): 65782248

約数和(自身を除く): 39510808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25261, 50522, 101044, 126305, 202088, 252610, 328393, 404176, 505220, 656786, 1010440, 1313572, 1641965, 2020880, 2627144, 3283930, 5254288, 6567860, 13135720, 26271440]

約数ペア:

[(1, 26271440), (2, 13135720), (4, 6567860), (5, 5254288), (8, 3283930), (10, 2627144), (13, 2020880), (16, 1641965), (20, 1313572), (26, 1010440), (40, 656786), (52, 505220), (65, 404176), (80, 328393), (104, 252610), (130, 202088), (208, 126305), (260, 101044), (520, 50522), (1040, 25261)]