1636960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 4170096

約数和(自身を除く): 2533136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 787, 1040, 1574, 2080, 3148, 3935, 6296, 7870, 10231, 12592, 15740, 20462, 25184, 31480, 40924, 51155, 62960, 81848, 102310, 125920, 163696, 204620, 327392, 409240, 818480, 1636960]

約数ペア:

[(1, 1636960), (2, 818480), (4, 409240), (5, 327392), (8, 204620), (10, 163696), (13, 125920), (16, 102310), (20, 81848), (26, 62960), (32, 51155), (40, 40924), (52, 31480), (65, 25184), (80, 20462), (104, 15740), (130, 12592), (160, 10231), (208, 7870), (260, 6296), (416, 3935), (520, 3148), (787, 2080), (1040, 1574)]