159385000

素因数分解:

$2^3\times 5^4\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 377879040

約数和(自身を除く): 218494040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 251, 254, 500, 502, 508, 625, 635, 1000, 1004, 1016, 1250, 1255, 1270, 2008, 2500, 2510, 2540, 3175, 5000, 5020, 5080, 6275, 6350, 10040, 12550, 12700, 15875, 25100, 25400, 31375, 31750, 31877, 50200, 62750, 63500, 63754, 79375, 125500, 127000, 127508, 156875, 158750, 159385, 251000, 255016, 313750, 317500, 318770, 627500, 635000, 637540, 796925, 1255000, 1275080, 1593850, 3187700, 3984625, 6375400, 7969250, 15938500, 19923125, 31877000, 39846250, 79692500, 159385000]

約数ペア:

[(1, 159385000), (2, 79692500), (4, 39846250), (5, 31877000), (8, 19923125), (10, 15938500), (20, 7969250), (25, 6375400), (40, 3984625), (50, 3187700), (100, 1593850), (125, 1275080), (127, 1255000), (200, 796925), (250, 637540), (251, 635000), (254, 627500), (500, 318770), (502, 317500), (508, 313750), (625, 255016), (635, 251000), (1000, 159385), (1004, 158750), (1016, 156875), (1250, 127508), (1255, 127000), (1270, 125500), (2008, 79375), (2500, 63754), (2510, 63500), (2540, 62750), (3175, 50200), (5000, 31877), (5020, 31750), (5080, 31375), (6275, 25400), (6350, 25100), (10040, 15875), (12550, 12700)]