72810100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{66191}}^1$

素因数の和:66216

約数の個数: 36

約数和(自身を含む): 172363968

約数和(自身を除く): 99553868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 66191, 132382, 264764, 330955, 661910, 728101, 1323820, 1456202, 1654775, 2912404, 3309550, 3640505, 6619100, 7281010, 14562020, 18202525, 36405050, 72810100]

約数ペア:

[(1, 72810100), (2, 36405050), (4, 18202525), (5, 14562020), (10, 7281010), (11, 6619100), (20, 3640505), (22, 3309550), (25, 2912404), (44, 1654775), (50, 1456202), (55, 1323820), (100, 728101), (110, 661910), (220, 330955), (275, 264764), (550, 132382), (1100, 66191)]