12579920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2427

約数の個数: 40

約数和(自身を含む): 29697504

約数和(自身を除く): 17117584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2347, 2680, 4694, 5360, 9388, 11735, 18776, 23470, 37552, 46940, 93880, 157249, 187760, 314498, 628996, 786245, 1257992, 1572490, 2515984, 3144980, 6289960, 12579920]

約数ペア:

[(1, 12579920), (2, 6289960), (4, 3144980), (5, 2515984), (8, 1572490), (10, 1257992), (16, 786245), (20, 628996), (40, 314498), (67, 187760), (80, 157249), (134, 93880), (268, 46940), (335, 37552), (536, 23470), (670, 18776), (1072, 11735), (1340, 9388), (2347, 5360), (2680, 4694)]