8127520

素因数分解:

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

素因数の和:737

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11347040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 643, 790, 1264, 1286, 1580, 2528, 2572, 3160, 3215, 5144, 6320, 6430, 10288, 12640, 12860, 20576, 25720, 50797, 51440, 101594, 102880, 203188, 253985, 406376, 507970, 812752, 1015940, 1625504, 2031880, 4063760, 8127520]

約数ペア:

[(1, 8127520), (2, 4063760), (4, 2031880), (5, 1625504), (8, 1015940), (10, 812752), (16, 507970), (20, 406376), (32, 253985), (40, 203188), (79, 102880), (80, 101594), (158, 51440), (160, 50797), (316, 25720), (395, 20576), (632, 12860), (643, 12640), (790, 10288), (1264, 6430), (1286, 6320), (1580, 5144), (2528, 3215), (2572, 3160)]