128514040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 297676800

約数和(自身を除く): 169162760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 395, 536, 607, 632, 670, 790, 1214, 1340, 1580, 2428, 2680, 3035, 3160, 4856, 5293, 6070, 10586, 12140, 21172, 24280, 26465, 40669, 42344, 47953, 52930, 81338, 95906, 105860, 162676, 191812, 203345, 211720, 239765, 325352, 383624, 406690, 479530, 813380, 959060, 1626760, 1918120, 3212851, 6425702, 12851404, 16064255, 25702808, 32128510, 64257020, 128514040]

約数ペア:

[(1, 128514040), (2, 64257020), (4, 32128510), (5, 25702808), (8, 16064255), (10, 12851404), (20, 6425702), (40, 3212851), (67, 1918120), (79, 1626760), (134, 959060), (158, 813380), (268, 479530), (316, 406690), (335, 383624), (395, 325352), (536, 239765), (607, 211720), (632, 203345), (670, 191812), (790, 162676), (1214, 105860), (1340, 95906), (1580, 81338), (2428, 52930), (2680, 47953), (3035, 42344), (3160, 40669), (4856, 26465), (5293, 24280), (6070, 21172), (10586, 12140)]