40404550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 77941440

約数和(自身を除く): 37536890

約数列:

[1, 2, 5, 10, 25, 50, 53, 79, 106, 158, 193, 265, 386, 395, 530, 790, 965, 1325, 1930, 1975, 2650, 3950, 4187, 4825, 8374, 9650, 10229, 15247, 20458, 20935, 30494, 41870, 51145, 76235, 102290, 104675, 152470, 209350, 255725, 381175, 511450, 762350, 808091, 1616182, 4040455, 8080910, 20202275, 40404550]

約数ペア:

[(1, 40404550), (2, 20202275), (5, 8080910), (10, 4040455), (25, 1616182), (50, 808091), (53, 762350), (79, 511450), (106, 381175), (158, 255725), (193, 209350), (265, 152470), (386, 104675), (395, 102290), (530, 76235), (790, 51145), (965, 41870), (1325, 30494), (1930, 20935), (1975, 20458), (2650, 15247), (3950, 10229), (4187, 9650), (4825, 8374)]