64242880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15443}}^1$

素因数の和:15473

約数の個数: 56

約数和(自身を含む): 164756592

約数和(自身を除く): 100513712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 15443, 30886, 61772, 77215, 123544, 154430, 200759, 247088, 308860, 401518, 494176, 617720, 803036, 988352, 1003795, 1235440, 1606072, 2007590, 2470880, 3212144, 4015180, 4941760, 6424288, 8030360, 12848576, 16060720, 32121440, 64242880]

約数ペア:

[(1, 64242880), (2, 32121440), (4, 16060720), (5, 12848576), (8, 8030360), (10, 6424288), (13, 4941760), (16, 4015180), (20, 3212144), (26, 2470880), (32, 2007590), (40, 1606072), (52, 1235440), (64, 1003795), (65, 988352), (80, 803036), (104, 617720), (130, 494176), (160, 401518), (208, 308860), (260, 247088), (320, 200759), (416, 154430), (520, 123544), (832, 77215), (1040, 61772), (2080, 30886), (4160, 15443)]