83817640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9931}}^1$

素因数の和:10153

約数の個数: 32

約数和(自身を含む): 189502560

約数和(自身を除く): 105684920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 9931, 19862, 39724, 49655, 79448, 99310, 198620, 397240, 2095441, 4190882, 8381764, 10477205, 16763528, 20954410, 41908820, 83817640]

約数ペア:

[(1, 83817640), (2, 41908820), (4, 20954410), (5, 16763528), (8, 10477205), (10, 8381764), (20, 4190882), (40, 2095441), (211, 397240), (422, 198620), (844, 99310), (1055, 79448), (1688, 49655), (2110, 39724), (4220, 19862), (8440, 9931)]