7809920

素因数分解:

$2^7\times 5^1\times {\mathrm{12203}}^1$

素因数の和:12222

約数の個数: 32

約数和(自身を含む): 18672120

約数和(自身を除く): 10862200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12203, 24406, 48812, 61015, 97624, 122030, 195248, 244060, 390496, 488120, 780992, 976240, 1561984, 1952480, 3904960, 7809920]

約数ペア:

[(1, 7809920), (2, 3904960), (4, 1952480), (5, 1561984), (8, 976240), (10, 780992), (16, 488120), (20, 390496), (32, 244060), (40, 195248), (64, 122030), (80, 97624), (128, 61015), (160, 48812), (320, 24406), (640, 12203)]