55551920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40847}}^1$

素因数の和:40877

約数の個数: 40

約数和(自身を含む): 136759104

約数和(自身を除く): 81207184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 40847, 81694, 163388, 204235, 326776, 408470, 653552, 694399, 816940, 1388798, 1633880, 2777596, 3267760, 3471995, 5555192, 6943990, 11110384, 13887980, 27775960, 55551920]

約数ペア:

[(1, 55551920), (2, 27775960), (4, 13887980), (5, 11110384), (8, 6943990), (10, 5555192), (16, 3471995), (17, 3267760), (20, 2777596), (34, 1633880), (40, 1388798), (68, 816940), (80, 694399), (85, 653552), (136, 408470), (170, 326776), (272, 204235), (340, 163388), (680, 81694), (1360, 40847)]