20402575310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1\times {\mathrm{1427}}^1$

素因数の和:2565

約数の個数: 64

約数和(自身を含む): 39980001600

約数和(自身を除く): 19577426290

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1009, 1090, 1417, 1427, 2018, 2834, 2854, 5045, 7085, 7135, 10090, 13117, 14170, 14270, 18551, 26234, 37102, 65585, 92755, 109981, 131170, 155543, 185510, 219962, 311086, 549905, 777715, 1099810, 1429753, 1439843, 1555430, 2022059, 2859506, 2879686, 4044118, 7148765, 7199215, 10110295, 14297530, 14398430, 18717959, 20220590, 37435918, 93589795, 156942887, 187179590, 313885774, 784714435, 1569428870, 2040257531, 4080515062, 10201287655, 20402575310]

約数ペア:

[(1, 20402575310), (2, 10201287655), (5, 4080515062), (10, 2040257531), (13, 1569428870), (26, 784714435), (65, 313885774), (109, 187179590), (130, 156942887), (218, 93589795), (545, 37435918), (1009, 20220590), (1090, 18717959), (1417, 14398430), (1427, 14297530), (2018, 10110295), (2834, 7199215), (2854, 7148765), (5045, 4044118), (7085, 2879686), (7135, 2859506), (10090, 2022059), (13117, 1555430), (14170, 1439843), (14270, 1429753), (18551, 1099810), (26234, 777715), (37102, 549905), (65585, 311086), (92755, 219962), (109981, 185510), (131170, 155543)]