90163280

素因数分解:

$2^4\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1481}}^1$

素因数の和:2255

約数の個数: 40

約数和(自身を含む): 210046824

約数和(自身を除く): 119883544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 761, 1481, 1522, 2962, 3044, 3805, 5924, 6088, 7405, 7610, 11848, 12176, 14810, 15220, 23696, 29620, 30440, 59240, 60880, 118480, 1127041, 2254082, 4508164, 5635205, 9016328, 11270410, 18032656, 22540820, 45081640, 90163280]

約数ペア:

[(1, 90163280), (2, 45081640), (4, 22540820), (5, 18032656), (8, 11270410), (10, 9016328), (16, 5635205), (20, 4508164), (40, 2254082), (80, 1127041), (761, 118480), (1481, 60880), (1522, 59240), (2962, 30440), (3044, 29620), (3805, 23696), (5924, 15220), (6088, 14810), (7405, 12176), (7610, 11848)]