100128080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2308

約数の個数: 80

約数和(自身を含む): 256650240

約数和(自身を除く): 156522160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2239, 2795, 3440, 4472, 4478, 5590, 8944, 8956, 11180, 11195, 17912, 22360, 22390, 29107, 35824, 44720, 44780, 58214, 89560, 96277, 116428, 145535, 179120, 192554, 232856, 291070, 385108, 465712, 481385, 582140, 770216, 962770, 1164280, 1251601, 1540432, 1925540, 2328560, 2503202, 3851080, 5006404, 6258005, 7702160, 10012808, 12516010, 20025616, 25032020, 50064040, 100128080]

約数ペア:

[(1, 100128080), (2, 50064040), (4, 25032020), (5, 20025616), (8, 12516010), (10, 10012808), (13, 7702160), (16, 6258005), (20, 5006404), (26, 3851080), (40, 2503202), (43, 2328560), (52, 1925540), (65, 1540432), (80, 1251601), (86, 1164280), (104, 962770), (130, 770216), (172, 582140), (208, 481385), (215, 465712), (260, 385108), (344, 291070), (430, 232856), (520, 192554), (559, 179120), (688, 145535), (860, 116428), (1040, 96277), (1118, 89560), (1720, 58214), (2236, 44780), (2239, 44720), (2795, 35824), (3440, 29107), (4472, 22390), (4478, 22360), (5590, 17912), (8944, 11195), (8956, 11180)]