168553960

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{7789}}^1$

素因数の和:8341

約数の個数: 32

約数和(自身を含む): 379996200

約数和(自身を除く): 211442240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 7789, 10820, 15578, 21640, 31156, 38945, 62312, 77890, 155780, 311560, 4213849, 8427698, 16855396, 21069245, 33710792, 42138490, 84276980, 168553960]

約数ペア:

[(1, 168553960), (2, 84276980), (4, 42138490), (5, 33710792), (8, 21069245), (10, 16855396), (20, 8427698), (40, 4213849), (541, 311560), (1082, 155780), (2164, 77890), (2705, 62312), (4328, 38945), (5410, 31156), (7789, 21640), (10820, 15578)]