1920440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 4430160

約数和(自身を除く): 2509720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1171, 1640, 2342, 4684, 5855, 9368, 11710, 23420, 46840, 48011, 96022, 192044, 240055, 384088, 480110, 960220, 1920440]

約数ペア:

[(1, 1920440), (2, 960220), (4, 480110), (5, 384088), (8, 240055), (10, 192044), (20, 96022), (40, 48011), (41, 46840), (82, 23420), (164, 11710), (205, 9368), (328, 5855), (410, 4684), (820, 2342), (1171, 1640)]