30267920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5647}}^1$

素因数の和:5727

約数の個数: 40

約数和(自身を含む): 71435904

約数和(自身を除く): 41167984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5647, 11294, 22588, 28235, 45176, 56470, 90352, 112940, 225880, 378349, 451760, 756698, 1513396, 1891745, 3026792, 3783490, 6053584, 7566980, 15133960, 30267920]

約数ペア:

[(1, 30267920), (2, 15133960), (4, 7566980), (5, 6053584), (8, 3783490), (10, 3026792), (16, 1891745), (20, 1513396), (40, 756698), (67, 451760), (80, 378349), (134, 225880), (268, 112940), (335, 90352), (536, 56470), (670, 45176), (1072, 28235), (1340, 22588), (2680, 11294), (5360, 5647)]