2010090625

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 2688296688

約数和(自身を除く): 678206063

約数列:

[1, 5, 17, 25, 85, 125, 157, 241, 425, 625, 785, 1205, 2125, 2669, 3125, 3925, 4097, 6025, 10625, 13345, 19625, 20485, 30125, 37837, 53125, 66725, 98125, 102425, 150625, 189185, 333625, 490625, 512125, 643229, 753125, 945925, 1668125, 2560625, 3216145, 4729625, 8340625, 12803125, 16080725, 23648125, 80403625, 118240625, 402018125, 2010090625]

約数ペア:

[(1, 2010090625), (5, 402018125), (17, 118240625), (25, 80403625), (85, 23648125), (125, 16080725), (157, 12803125), (241, 8340625), (425, 4729625), (625, 3216145), (785, 2560625), (1205, 1668125), (2125, 945925), (2669, 753125), (3125, 643229), (3925, 512125), (4097, 490625), (6025, 333625), (10625, 189185), (13345, 150625), (19625, 102425), (20485, 98125), (30125, 66725), (37837, 53125)]