90881680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13687}}^1$

素因数の和:13783

約数の個数: 40

約数和(自身を含む): 213861312

約数和(自身を除く): 122979632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 13687, 27374, 54748, 68435, 109496, 136870, 218992, 273740, 547480, 1094960, 1136021, 2272042, 4544084, 5680105, 9088168, 11360210, 18176336, 22720420, 45440840, 90881680]

約数ペア:

[(1, 90881680), (2, 45440840), (4, 22720420), (5, 18176336), (8, 11360210), (10, 9088168), (16, 5680105), (20, 4544084), (40, 2272042), (80, 1136021), (83, 1094960), (166, 547480), (332, 273740), (415, 218992), (664, 136870), (830, 109496), (1328, 68435), (1660, 54748), (3320, 27374), (6640, 13687)]