8013040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 21873600

約数和(自身を除く): 13860560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 349, 410, 560, 574, 656, 698, 820, 1148, 1396, 1435, 1640, 1745, 2296, 2443, 2792, 2870, 3280, 3490, 4592, 4886, 5584, 5740, 6980, 9772, 11480, 12215, 13960, 14309, 19544, 22960, 24430, 27920, 28618, 39088, 48860, 57236, 71545, 97720, 100163, 114472, 143090, 195440, 200326, 228944, 286180, 400652, 500815, 572360, 801304, 1001630, 1144720, 1602608, 2003260, 4006520, 8013040]

約数ペア:

[(1, 8013040), (2, 4006520), (4, 2003260), (5, 1602608), (7, 1144720), (8, 1001630), (10, 801304), (14, 572360), (16, 500815), (20, 400652), (28, 286180), (35, 228944), (40, 200326), (41, 195440), (56, 143090), (70, 114472), (80, 100163), (82, 97720), (112, 71545), (140, 57236), (164, 48860), (205, 39088), (280, 28618), (287, 27920), (328, 24430), (349, 22960), (410, 19544), (560, 14309), (574, 13960), (656, 12215), (698, 11480), (820, 9772), (1148, 6980), (1396, 5740), (1435, 5584), (1640, 4886), (1745, 4592), (2296, 3490), (2443, 3280), (2792, 2870)]