28559320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41999}}^1$

素因数の和:42027

約数の個数: 32

約数和(自身を含む): 68040000

約数和(自身を除く): 39480680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41999, 83998, 167996, 209995, 335992, 419990, 713983, 839980, 1427966, 1679960, 2855932, 3569915, 5711864, 7139830, 14279660, 28559320]

約数ペア:

[(1, 28559320), (2, 14279660), (4, 7139830), (5, 5711864), (8, 3569915), (10, 2855932), (17, 1679960), (20, 1427966), (34, 839980), (40, 713983), (68, 419990), (85, 335992), (136, 209995), (170, 167996), (340, 83998), (680, 41999)]