65780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:56

約数の個数: 48

約数和(自身を含む): 169344

約数和(自身を除く): 103564

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 460, 506, 572, 598, 715, 1012, 1196, 1265, 1430, 1495, 2530, 2860, 2990, 3289, 5060, 5980, 6578, 13156, 16445, 32890, 65780]

約数ペア:

[(1, 65780), (2, 32890), (4, 16445), (5, 13156), (10, 6578), (11, 5980), (13, 5060), (20, 3289), (22, 2990), (23, 2860), (26, 2530), (44, 1495), (46, 1430), (52, 1265), (55, 1196), (65, 1012), (92, 715), (110, 598), (115, 572), (130, 506), (143, 460), (220, 299), (230, 286), (253, 260)]