81154060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{683}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 184203936

約数和(自身を除く): 103049876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 683, 914, 1366, 1828, 2285, 2732, 3415, 4570, 5941, 6830, 8879, 9140, 11882, 13660, 17758, 23764, 29705, 35516, 44395, 59410, 88790, 118820, 177580, 312131, 624262, 1248524, 1560655, 3121310, 4057703, 6242620, 8115406, 16230812, 20288515, 40577030, 81154060]

約数ペア:

[(1, 81154060), (2, 40577030), (4, 20288515), (5, 16230812), (10, 8115406), (13, 6242620), (20, 4057703), (26, 3121310), (52, 1560655), (65, 1248524), (130, 624262), (260, 312131), (457, 177580), (683, 118820), (914, 88790), (1366, 59410), (1828, 44395), (2285, 35516), (2732, 29705), (3415, 23764), (4570, 17758), (5941, 13660), (6830, 11882), (8879, 9140)]