214908520

素因数分解:

$2^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{4871}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 484081920

約数和(自身を除く): 269173400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1103, 2206, 4412, 4871, 5515, 8824, 9742, 11030, 19484, 22060, 24355, 38968, 44120, 48710, 97420, 194840, 5372713, 10745426, 21490852, 26863565, 42981704, 53727130, 107454260, 214908520]

約数ペア:

[(1, 214908520), (2, 107454260), (4, 53727130), (5, 42981704), (8, 26863565), (10, 21490852), (20, 10745426), (40, 5372713), (1103, 194840), (2206, 97420), (4412, 48710), (4871, 44120), (5515, 38968), (8824, 24355), (9742, 22060), (11030, 19484)]