205863920

素因数分解:

$2^4\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{2333}}^1$

素因数の和:3449

約数の個数: 40

約数和(自身を含む): 479272896

約数和(自身を除く): 273408976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1103, 2206, 2333, 4412, 4666, 5515, 8824, 9332, 11030, 11665, 17648, 18664, 22060, 23330, 37328, 44120, 46660, 88240, 93320, 186640, 2573299, 5146598, 10293196, 12866495, 20586392, 25732990, 41172784, 51465980, 102931960, 205863920]

約数ペア:

[(1, 205863920), (2, 102931960), (4, 51465980), (5, 41172784), (8, 25732990), (10, 20586392), (16, 12866495), (20, 10293196), (40, 5146598), (80, 2573299), (1103, 186640), (2206, 93320), (2333, 88240), (4412, 46660), (4666, 44120), (5515, 37328), (8824, 23330), (9332, 22060), (11030, 18664), (11665, 17648)]