51342980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3347}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 118117440

約数和(自身を除く): 66774460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3347, 3835, 6694, 7670, 13388, 15340, 16735, 33470, 43511, 66940, 87022, 174044, 197473, 217555, 394946, 435110, 789892, 870220, 987365, 1974730, 2567149, 3949460, 5134298, 10268596, 12835745, 25671490, 51342980]

約数ペア:

[(1, 51342980), (2, 25671490), (4, 12835745), (5, 10268596), (10, 5134298), (13, 3949460), (20, 2567149), (26, 1974730), (52, 987365), (59, 870220), (65, 789892), (118, 435110), (130, 394946), (236, 217555), (260, 197473), (295, 174044), (590, 87022), (767, 66940), (1180, 43511), (1534, 33470), (3068, 16735), (3347, 15340), (3835, 13388), (6694, 7670)]