25377740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 56947968

約数和(自身を除く): 31570228

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1283, 1978, 2566, 3956, 4945, 5132, 6415, 9890, 12830, 19780, 25660, 29509, 55169, 59018, 110338, 118036, 147545, 220676, 275845, 295090, 551690, 590180, 1103380, 1268887, 2537774, 5075548, 6344435, 12688870, 25377740]

約数ペア:

[(1, 25377740), (2, 12688870), (4, 6344435), (5, 5075548), (10, 2537774), (20, 1268887), (23, 1103380), (43, 590180), (46, 551690), (86, 295090), (92, 275845), (115, 220676), (172, 147545), (215, 118036), (230, 110338), (430, 59018), (460, 55169), (860, 29509), (989, 25660), (1283, 19780), (1978, 12830), (2566, 9890), (3956, 6415), (4945, 5132)]