90826480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27691}}^1$

素因数の和:27745

約数の個数: 40

約数和(自身を含む): 216329904

約数和(自身を除く): 125503424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 27691, 55382, 110764, 138455, 221528, 276910, 443056, 553820, 1107640, 1135331, 2215280, 2270662, 4541324, 5676655, 9082648, 11353310, 18165296, 22706620, 45413240, 90826480]

約数ペア:

[(1, 90826480), (2, 45413240), (4, 22706620), (5, 18165296), (8, 11353310), (10, 9082648), (16, 5676655), (20, 4541324), (40, 2270662), (41, 2215280), (80, 1135331), (82, 1107640), (164, 553820), (205, 443056), (328, 276910), (410, 221528), (656, 138455), (820, 110764), (1640, 55382), (3280, 27691)]