28736080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8761}}^1$

素因数の和:8815

約数の個数: 40

約数和(自身を含む): 68448744

約数和(自身を除く): 39712664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8761, 17522, 35044, 43805, 70088, 87610, 140176, 175220, 350440, 359201, 700880, 718402, 1436804, 1796005, 2873608, 3592010, 5747216, 7184020, 14368040, 28736080]

約数ペア:

[(1, 28736080), (2, 14368040), (4, 7184020), (5, 5747216), (8, 3592010), (10, 2873608), (16, 1796005), (20, 1436804), (40, 718402), (41, 700880), (80, 359201), (82, 350440), (164, 175220), (205, 140176), (328, 87610), (410, 70088), (656, 43805), (820, 35044), (1640, 17522), (3280, 8761)]