66311980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16333}}^1$

素因数の和:16378

約数の個数: 48

約数和(自身を含む): 164646720

約数和(自身を除く): 98334740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16333, 32666, 65332, 81665, 114331, 163330, 228662, 326660, 457324, 473657, 571655, 947314, 1143310, 1894628, 2286620, 2368285, 3315599, 4736570, 6631198, 9473140, 13262396, 16577995, 33155990, 66311980]

約数ペア:

[(1, 66311980), (2, 33155990), (4, 16577995), (5, 13262396), (7, 9473140), (10, 6631198), (14, 4736570), (20, 3315599), (28, 2368285), (29, 2286620), (35, 1894628), (58, 1143310), (70, 947314), (116, 571655), (140, 473657), (145, 457324), (203, 326660), (290, 228662), (406, 163330), (580, 114331), (812, 81665), (1015, 65332), (2030, 32666), (4060, 16333)]