2266480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 5405904

約数和(自身を除く): 3139424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 691, 820, 1382, 1640, 2764, 3280, 3455, 5528, 6910, 11056, 13820, 27640, 28331, 55280, 56662, 113324, 141655, 226648, 283310, 453296, 566620, 1133240, 2266480]

約数ペア:

[(1, 2266480), (2, 1133240), (4, 566620), (5, 453296), (8, 283310), (10, 226648), (16, 141655), (20, 113324), (40, 56662), (41, 55280), (80, 28331), (82, 27640), (164, 13820), (205, 11056), (328, 6910), (410, 5528), (656, 3455), (691, 3280), (820, 2764), (1382, 1640)]