12863750

素因数分解:

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

素因数の和:314

約数の個数: 40

約数和(自身を含む): 24798312

約数和(自身を除く): 11934562

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 251, 410, 502, 625, 1025, 1250, 1255, 2050, 2510, 5125, 6275, 10250, 10291, 12550, 20582, 25625, 31375, 51250, 51455, 62750, 102910, 156875, 257275, 313750, 514550, 1286375, 2572750, 6431875, 12863750]

約数ペア:

[(1, 12863750), (2, 6431875), (5, 2572750), (10, 1286375), (25, 514550), (41, 313750), (50, 257275), (82, 156875), (125, 102910), (205, 62750), (250, 51455), (251, 51250), (410, 31375), (502, 25625), (625, 20582), (1025, 12550), (1250, 10291), (1255, 10250), (2050, 6275), (2510, 5125)]