28559720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101999}}^1$

素因数の和:102017

約数の個数: 32

約数和(自身を含む): 73440000

約数和(自身を除く): 44880280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101999, 203998, 407996, 509995, 713993, 815992, 1019990, 1427986, 2039980, 2855972, 3569965, 4079960, 5711944, 7139930, 14279860, 28559720]

約数ペア:

[(1, 28559720), (2, 14279860), (4, 7139930), (5, 5711944), (7, 4079960), (8, 3569965), (10, 2855972), (14, 2039980), (20, 1427986), (28, 1019990), (35, 815992), (40, 713993), (56, 509995), (70, 407996), (140, 203998), (280, 101999)]