3125840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 7452648

約数和(自身を除く): 4326808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 953, 1640, 1906, 3280, 3812, 4765, 7624, 9530, 15248, 19060, 38120, 39073, 76240, 78146, 156292, 195365, 312584, 390730, 625168, 781460, 1562920, 3125840]

約数ペア:

[(1, 3125840), (2, 1562920), (4, 781460), (5, 625168), (8, 390730), (10, 312584), (16, 195365), (20, 156292), (40, 78146), (41, 76240), (80, 39073), (82, 38120), (164, 19060), (205, 15248), (328, 9530), (410, 7624), (656, 4765), (820, 3812), (953, 3280), (1640, 1906)]