38681680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3691}}^1$

素因数の和:3835

約数の個数: 40

約数和(自身を含む): 90645984

約数和(自身を除く): 51964304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 3691, 5240, 7382, 10480, 14764, 18455, 29528, 36910, 59056, 73820, 147640, 295280, 483521, 967042, 1934084, 2417605, 3868168, 4835210, 7736336, 9670420, 19340840, 38681680]

約数ペア:

[(1, 38681680), (2, 19340840), (4, 9670420), (5, 7736336), (8, 4835210), (10, 3868168), (16, 2417605), (20, 1934084), (40, 967042), (80, 483521), (131, 295280), (262, 147640), (524, 73820), (655, 59056), (1048, 36910), (1310, 29528), (2096, 18455), (2620, 14764), (3691, 10480), (5240, 7382)]