25727500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 57862728

約数和(自身を除く): 32135228

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 251, 410, 500, 502, 625, 820, 1004, 1025, 1250, 1255, 2050, 2500, 2510, 4100, 5020, 5125, 6275, 10250, 10291, 12550, 20500, 20582, 25100, 25625, 31375, 41164, 51250, 51455, 62750, 102500, 102910, 125500, 156875, 205820, 257275, 313750, 514550, 627500, 1029100, 1286375, 2572750, 5145500, 6431875, 12863750, 25727500]

約数ペア:

[(1, 25727500), (2, 12863750), (4, 6431875), (5, 5145500), (10, 2572750), (20, 1286375), (25, 1029100), (41, 627500), (50, 514550), (82, 313750), (100, 257275), (125, 205820), (164, 156875), (205, 125500), (250, 102910), (251, 102500), (410, 62750), (500, 51455), (502, 51250), (625, 41164), (820, 31375), (1004, 25625), (1025, 25100), (1250, 20582), (1255, 20500), (2050, 12550), (2500, 10291), (2510, 10250), (4100, 6275), (5020, 5125)]