22399720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79999}}^1$

素因数の和:80017

約数の個数: 32

約数和(自身を含む): 57600000

約数和(自身を除く): 35200280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 79999, 159998, 319996, 399995, 559993, 639992, 799990, 1119986, 1599980, 2239972, 2799965, 3199960, 4479944, 5599930, 11199860, 22399720]

約数ペア:

[(1, 22399720), (2, 11199860), (4, 5599930), (5, 4479944), (7, 3199960), (8, 2799965), (10, 2239972), (14, 1599980), (20, 1119986), (28, 799990), (35, 639992), (40, 559993), (56, 399995), (70, 319996), (140, 159998), (280, 79999)]