2546920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 5874120

約数和(自身を除く): 3327200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1553, 1640, 3106, 6212, 7765, 12424, 15530, 31060, 62120, 63673, 127346, 254692, 318365, 509384, 636730, 1273460, 2546920]

約数ペア:

[(1, 2546920), (2, 1273460), (4, 636730), (5, 509384), (8, 318365), (10, 254692), (20, 127346), (40, 63673), (41, 62120), (82, 31060), (164, 15530), (205, 12424), (328, 7765), (410, 6212), (820, 3106), (1553, 1640)]