15619840

素因数分解:

$2^8\times 5^1\times {\mathrm{12203}}^1$

素因数の和:12224

約数の個数: 36

約数和(自身を含む): 37417464

約数和(自身を除く): 21797624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12203, 24406, 48812, 61015, 97624, 122030, 195248, 244060, 390496, 488120, 780992, 976240, 1561984, 1952480, 3123968, 3904960, 7809920, 15619840]

約数ペア:

[(1, 15619840), (2, 7809920), (4, 3904960), (5, 3123968), (8, 1952480), (10, 1561984), (16, 976240), (20, 780992), (32, 488120), (40, 390496), (64, 244060), (80, 195248), (128, 122030), (160, 97624), (256, 61015), (320, 48812), (640, 24406), (1280, 12203)]