8480440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5171}}^1$

素因数の和:5223

約数の個数: 32

約数和(自身を含む): 19550160

約数和(自身を除く): 11069720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5171, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 212011, 424022, 848044, 1060055, 1696088, 2120110, 4240220, 8480440]

約数ペア:

[(1, 8480440), (2, 4240220), (4, 2120110), (5, 1696088), (8, 1060055), (10, 848044), (20, 424022), (40, 212011), (41, 206840), (82, 103420), (164, 51710), (205, 41368), (328, 25855), (410, 20684), (820, 10342), (1640, 5171)]