3991760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1271

約数の個数: 40

約数和(自身を含む): 9515016

約数和(自身を除く): 5523256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1217, 1640, 2434, 3280, 4868, 6085, 9736, 12170, 19472, 24340, 48680, 49897, 97360, 99794, 199588, 249485, 399176, 498970, 798352, 997940, 1995880, 3991760]

約数ペア:

[(1, 3991760), (2, 1995880), (4, 997940), (5, 798352), (8, 498970), (10, 399176), (16, 249485), (20, 199588), (40, 99794), (41, 97360), (80, 49897), (82, 48680), (164, 24340), (205, 19472), (328, 12170), (410, 9736), (656, 6085), (820, 4868), (1217, 3280), (1640, 2434)]