9990880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 24195024

約数和(自身を除く): 14204144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1523, 1640, 3046, 3280, 6092, 6560, 7615, 12184, 15230, 24368, 30460, 48736, 60920, 62443, 121840, 124886, 243680, 249772, 312215, 499544, 624430, 999088, 1248860, 1998176, 2497720, 4995440, 9990880]

約数ペア:

[(1, 9990880), (2, 4995440), (4, 2497720), (5, 1998176), (8, 1248860), (10, 999088), (16, 624430), (20, 499544), (32, 312215), (40, 249772), (41, 243680), (80, 124886), (82, 121840), (160, 62443), (164, 60920), (205, 48736), (328, 30460), (410, 24368), (656, 15230), (820, 12184), (1312, 7615), (1523, 6560), (1640, 6092), (3046, 3280)]