131986720

素因数分解:

$2^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1481}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 312589368

約数和(自身を除く): 180602648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 557, 1114, 1481, 2228, 2785, 2962, 4456, 5570, 5924, 7405, 8912, 11140, 11848, 14810, 17824, 22280, 23696, 29620, 44560, 47392, 59240, 89120, 118480, 236960, 824917, 1649834, 3299668, 4124585, 6599336, 8249170, 13198672, 16498340, 26397344, 32996680, 65993360, 131986720]

約数ペア:

[(1, 131986720), (2, 65993360), (4, 32996680), (5, 26397344), (8, 16498340), (10, 13198672), (16, 8249170), (20, 6599336), (32, 4124585), (40, 3299668), (80, 1649834), (160, 824917), (557, 236960), (1114, 118480), (1481, 89120), (2228, 59240), (2785, 47392), (2962, 44560), (4456, 29620), (5570, 23696), (5924, 22280), (7405, 17824), (8912, 14810), (11140, 11848)]