2727320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 6289920

約数和(自身を除く): 3562600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1663, 3326, 6652, 8315, 13304, 16630, 33260, 66520, 68183, 136366, 272732, 340915, 545464, 681830, 1363660, 2727320]

約数ペア:

[(1, 2727320), (2, 1363660), (4, 681830), (5, 545464), (8, 340915), (10, 272732), (20, 136366), (40, 68183), (41, 66520), (82, 33260), (164, 16630), (205, 13304), (328, 8315), (410, 6652), (820, 3326), (1640, 1663)]