11147320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6535

約数の個数: 32

約数和(自身を含む): 25668720

約数和(自身を除く): 14521400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6481, 12962, 25924, 32405, 51848, 64810, 129620, 259240, 278683, 557366, 1114732, 1393415, 2229464, 2786830, 5573660, 11147320]

約数ペア:

[(1, 11147320), (2, 5573660), (4, 2786830), (5, 2229464), (8, 1393415), (10, 1114732), (20, 557366), (40, 278683), (43, 259240), (86, 129620), (172, 64810), (215, 51848), (344, 32405), (430, 25924), (860, 12962), (1720, 6481)]