164014360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67219}}^1$

素因数の和:67291

約数の個数: 32

約数和(自身を含む): 375087600

約数和(自身を除く): 211073240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 67219, 134438, 268876, 336095, 537752, 672190, 1344380, 2688760, 4100359, 8200718, 16401436, 20501795, 32802872, 41003590, 82007180, 164014360]

約数ペア:

[(1, 164014360), (2, 82007180), (4, 41003590), (5, 32802872), (8, 20501795), (10, 16401436), (20, 8200718), (40, 4100359), (61, 2688760), (122, 1344380), (244, 672190), (305, 537752), (488, 336095), (610, 268876), (1220, 134438), (2440, 67219)]