28859900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7039}}^1$

素因数の和:7094

約数の個数: 36

約数和(自身を含む): 64162560

約数和(自身を除く): 35302660

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 7039, 14078, 28156, 35195, 70390, 140780, 175975, 288599, 351950, 577198, 703900, 1154396, 1442995, 2885990, 5771980, 7214975, 14429950, 28859900]

約数ペア:

[(1, 28859900), (2, 14429950), (4, 7214975), (5, 5771980), (10, 2885990), (20, 1442995), (25, 1154396), (41, 703900), (50, 577198), (82, 351950), (100, 288599), (164, 175975), (205, 140780), (410, 70390), (820, 35195), (1025, 28156), (2050, 14078), (4100, 7039)]