131643520

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3881}}^1$

素因数の和:3953

約数の個数: 64

約数和(自身を含む): 320730840

約数和(自身を除く): 189087320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 3881, 4240, 6784, 7762, 8480, 15524, 16960, 19405, 31048, 33920, 38810, 62096, 77620, 124192, 155240, 205693, 248384, 310480, 411386, 496768, 620960, 822772, 1028465, 1241920, 1645544, 2056930, 2483840, 3291088, 4113860, 6582176, 8227720, 13164352, 16455440, 26328704, 32910880, 65821760, 131643520]

約数ペア:

[(1, 131643520), (2, 65821760), (4, 32910880), (5, 26328704), (8, 16455440), (10, 13164352), (16, 8227720), (20, 6582176), (32, 4113860), (40, 3291088), (53, 2483840), (64, 2056930), (80, 1645544), (106, 1241920), (128, 1028465), (160, 822772), (212, 620960), (265, 496768), (320, 411386), (424, 310480), (530, 248384), (640, 205693), (848, 155240), (1060, 124192), (1696, 77620), (2120, 62096), (3392, 38810), (3881, 33920), (4240, 31048), (6784, 19405), (7762, 16960), (8480, 15524)]