4063760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 40

約数和(自身を含む): 9582720

約数和(自身を除く): 5518960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 643, 790, 1264, 1286, 1580, 2572, 3160, 3215, 5144, 6320, 6430, 10288, 12860, 25720, 50797, 51440, 101594, 203188, 253985, 406376, 507970, 812752, 1015940, 2031880, 4063760]

約数ペア:

[(1, 4063760), (2, 2031880), (4, 1015940), (5, 812752), (8, 507970), (10, 406376), (16, 253985), (20, 203188), (40, 101594), (79, 51440), (80, 50797), (158, 25720), (316, 12860), (395, 10288), (632, 6430), (643, 6320), (790, 5144), (1264, 3215), (1286, 3160), (1580, 2572)]