25147540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 58068864

約数和(自身を除く): 32921324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 757, 1510, 1514, 1661, 3020, 3028, 3322, 3785, 6644, 7570, 8305, 8327, 15140, 16610, 16654, 33220, 33308, 41635, 83270, 114307, 166540, 228614, 457228, 571535, 1143070, 1257377, 2286140, 2514754, 5029508, 6286885, 12573770, 25147540]

約数ペア:

[(1, 25147540), (2, 12573770), (4, 6286885), (5, 5029508), (10, 2514754), (11, 2286140), (20, 1257377), (22, 1143070), (44, 571535), (55, 457228), (110, 228614), (151, 166540), (220, 114307), (302, 83270), (604, 41635), (755, 33308), (757, 33220), (1510, 16654), (1514, 16610), (1661, 15140), (3020, 8327), (3028, 8305), (3322, 7570), (3785, 6644)]