128856670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{8171}}^1$

素因数の和:8280

約数の個数: 32

約数和(自身を含む): 247121280

約数和(自身を除く): 118264610

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 8171, 15770, 16342, 40855, 81710, 155249, 310498, 678193, 776245, 1356386, 1552490, 3390965, 6781930, 12885667, 25771334, 64428335, 128856670]

約数ペア:

[(1, 128856670), (2, 64428335), (5, 25771334), (10, 12885667), (19, 6781930), (38, 3390965), (83, 1552490), (95, 1356386), (166, 776245), (190, 678193), (415, 310498), (830, 155249), (1577, 81710), (3154, 40855), (7885, 16342), (8171, 15770)]