25459330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 26634110

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 67, 74, 79, 130, 134, 158, 185, 335, 370, 395, 481, 670, 790, 871, 962, 1027, 1742, 2054, 2405, 2479, 2923, 4355, 4810, 4958, 5135, 5293, 5846, 8710, 10270, 10586, 12395, 14615, 24790, 26465, 29230, 32227, 37999, 52930, 64454, 68809, 75998, 137618, 161135, 189995, 195841, 322270, 344045, 379990, 391682, 688090, 979205, 1958410, 2545933, 5091866, 12729665, 25459330]

約数ペア:

[(1, 25459330), (2, 12729665), (5, 5091866), (10, 2545933), (13, 1958410), (26, 979205), (37, 688090), (65, 391682), (67, 379990), (74, 344045), (79, 322270), (130, 195841), (134, 189995), (158, 161135), (185, 137618), (335, 75998), (370, 68809), (395, 64454), (481, 52930), (670, 37999), (790, 32227), (871, 29230), (962, 26465), (1027, 24790), (1742, 14615), (2054, 12395), (2405, 10586), (2479, 10270), (2923, 8710), (4355, 5846), (4810, 5293), (4958, 5135)]