12979840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 32882760

約数和(自身を除く): 19902920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1193, 1360, 2176, 2386, 2720, 4772, 5440, 5965, 9544, 10880, 11930, 19088, 20281, 23860, 38176, 40562, 47720, 76352, 81124, 95440, 101405, 152704, 162248, 190880, 202810, 324496, 381760, 405620, 648992, 763520, 811240, 1297984, 1622480, 2595968, 3244960, 6489920, 12979840]

約数ペア:

[(1, 12979840), (2, 6489920), (4, 3244960), (5, 2595968), (8, 1622480), (10, 1297984), (16, 811240), (17, 763520), (20, 648992), (32, 405620), (34, 381760), (40, 324496), (64, 202810), (68, 190880), (80, 162248), (85, 152704), (128, 101405), (136, 95440), (160, 81124), (170, 76352), (272, 47720), (320, 40562), (340, 38176), (544, 23860), (640, 20281), (680, 19088), (1088, 11930), (1193, 10880), (1360, 9544), (2176, 5965), (2386, 5440), (2720, 4772)]