90238240

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1571}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 213917760

約数和(自身を除く): 123679520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 1436, 1571, 1795, 2872, 3142, 3590, 5744, 6284, 7180, 7855, 11488, 12568, 14360, 15710, 25136, 28720, 31420, 50272, 57440, 62840, 125680, 251360, 563989, 1127978, 2255956, 2819945, 4511912, 5639890, 9023824, 11279780, 18047648, 22559560, 45119120, 90238240]

約数ペア:

[(1, 90238240), (2, 45119120), (4, 22559560), (5, 18047648), (8, 11279780), (10, 9023824), (16, 5639890), (20, 4511912), (32, 2819945), (40, 2255956), (80, 1127978), (160, 563989), (359, 251360), (718, 125680), (1436, 62840), (1571, 57440), (1795, 50272), (2872, 31420), (3142, 28720), (3590, 25136), (5744, 15710), (6284, 14360), (7180, 12568), (7855, 11488)]