12912400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1736

約数の個数: 60

約数和(自身を含む): 32674000

約数和(自身を除く): 19761600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1699, 1900, 3398, 3800, 6796, 7600, 8495, 13592, 16990, 27184, 32281, 33980, 42475, 64562, 67960, 84950, 129124, 135920, 161405, 169900, 258248, 322810, 339800, 516496, 645620, 679600, 807025, 1291240, 1614050, 2582480, 3228100, 6456200, 12912400]

約数ペア:

[(1, 12912400), (2, 6456200), (4, 3228100), (5, 2582480), (8, 1614050), (10, 1291240), (16, 807025), (19, 679600), (20, 645620), (25, 516496), (38, 339800), (40, 322810), (50, 258248), (76, 169900), (80, 161405), (95, 135920), (100, 129124), (152, 84950), (190, 67960), (200, 64562), (304, 42475), (380, 33980), (400, 32281), (475, 27184), (760, 16990), (950, 13592), (1520, 8495), (1699, 7600), (1900, 6796), (3398, 3800)]