77792020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{125471}}^1$

素因数の和:125511

約数の個数: 24

約数和(自身を含む): 168634368

約数和(自身を除く): 90842348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 125471, 250942, 501884, 627355, 1254710, 2509420, 3889601, 7779202, 15558404, 19448005, 38896010, 77792020]

約数ペア:

[(1, 77792020), (2, 38896010), (4, 19448005), (5, 15558404), (10, 7779202), (20, 3889601), (31, 2509420), (62, 1254710), (124, 627355), (155, 501884), (310, 250942), (620, 125471)]