28342340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1627}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 65093952

約数和(自身を除く): 36751612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1627, 1742, 3254, 3484, 4355, 6508, 8135, 8710, 16270, 17420, 21151, 32540, 42302, 84604, 105755, 109009, 211510, 218018, 423020, 436036, 545045, 1090090, 1417117, 2180180, 2834234, 5668468, 7085585, 14171170, 28342340]

約数ペア:

[(1, 28342340), (2, 14171170), (4, 7085585), (5, 5668468), (10, 2834234), (13, 2180180), (20, 1417117), (26, 1090090), (52, 545045), (65, 436036), (67, 423020), (130, 218018), (134, 211510), (260, 109009), (268, 105755), (335, 84604), (670, 42302), (871, 32540), (1340, 21151), (1627, 17420), (1742, 16270), (3254, 8710), (3484, 8135), (4355, 6508)]