814443880

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{23059}}^1$

素因数の和:23953

約数の個数: 32

約数和(自身を含む): 1834653600

約数和(自身を除く): 1020209720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 3532, 4415, 7064, 8830, 17660, 23059, 35320, 46118, 92236, 115295, 184472, 230590, 461180, 922360, 20361097, 40722194, 81444388, 101805485, 162888776, 203610970, 407221940, 814443880]

約数ペア:

[(1, 814443880), (2, 407221940), (4, 203610970), (5, 162888776), (8, 101805485), (10, 81444388), (20, 40722194), (40, 20361097), (883, 922360), (1766, 461180), (3532, 230590), (4415, 184472), (7064, 115295), (8830, 92236), (17660, 46118), (23059, 35320)]