61400875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 81768960

約数和(自身を除く): 20368085

約数列:

[1, 5, 19, 25, 95, 103, 125, 251, 475, 515, 1255, 1957, 2375, 2575, 4769, 6275, 9785, 12875, 23845, 25853, 31375, 48925, 119225, 129265, 244625, 491207, 596125, 646325, 2456035, 3231625, 12280175, 61400875]

約数ペア:

[(1, 61400875), (5, 12280175), (19, 3231625), (25, 2456035), (95, 646325), (103, 596125), (125, 491207), (251, 244625), (475, 129265), (515, 119225), (1255, 48925), (1957, 31375), (2375, 25853), (2575, 23845), (4769, 12875), (6275, 9785)]