39724490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 81920160

約数和(自身を除く): 42195670

約数列:

[1, 2, 5, 10, 13, 26, 29, 41, 58, 65, 82, 130, 145, 205, 257, 290, 377, 410, 514, 533, 754, 1066, 1189, 1285, 1885, 2378, 2570, 2665, 3341, 3770, 5330, 5945, 6682, 7453, 10537, 11890, 14906, 15457, 16705, 21074, 30914, 33410, 37265, 52685, 74530, 77285, 96889, 105370, 136981, 154570, 193778, 273962, 305573, 484445, 611146, 684905, 968890, 1369810, 1527865, 3055730, 3972449, 7944898, 19862245, 39724490]

約数ペア:

[(1, 39724490), (2, 19862245), (5, 7944898), (10, 3972449), (13, 3055730), (26, 1527865), (29, 1369810), (41, 968890), (58, 684905), (65, 611146), (82, 484445), (130, 305573), (145, 273962), (205, 193778), (257, 154570), (290, 136981), (377, 105370), (410, 96889), (514, 77285), (533, 74530), (754, 52685), (1066, 37265), (1189, 33410), (1285, 30914), (1885, 21074), (2378, 16705), (2570, 15457), (2665, 14906), (3341, 11890), (3770, 10537), (5330, 7453), (5945, 6682)]