28176880

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 65732400

約数和(自身を除く): 37555520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 619, 1138, 1238, 2276, 2476, 2845, 3095, 4552, 4952, 5690, 6190, 9104, 9904, 11380, 12380, 22760, 24760, 45520, 49520, 352211, 704422, 1408844, 1761055, 2817688, 3522110, 5635376, 7044220, 14088440, 28176880]

約数ペア:

[(1, 28176880), (2, 14088440), (4, 7044220), (5, 5635376), (8, 3522110), (10, 2817688), (16, 1761055), (20, 1408844), (40, 704422), (80, 352211), (569, 49520), (619, 45520), (1138, 24760), (1238, 22760), (2276, 12380), (2476, 11380), (2845, 9904), (3095, 9104), (4552, 6190), (4952, 5690)]