2289440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 5556600

約数和(自身を除く): 3267160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 349, 410, 656, 698, 820, 1312, 1396, 1640, 1745, 2792, 3280, 3490, 5584, 6560, 6980, 11168, 13960, 14309, 27920, 28618, 55840, 57236, 71545, 114472, 143090, 228944, 286180, 457888, 572360, 1144720, 2289440]

約数ペア:

[(1, 2289440), (2, 1144720), (4, 572360), (5, 457888), (8, 286180), (10, 228944), (16, 143090), (20, 114472), (32, 71545), (40, 57236), (41, 55840), (80, 28618), (82, 27920), (160, 14309), (164, 13960), (205, 11168), (328, 6980), (349, 6560), (410, 5584), (656, 3490), (698, 3280), (820, 2792), (1312, 1745), (1396, 1640)]