85202500

素因数分解:

$2^2\times 5^4\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 60

約数和(自身を含む): 188349084

約数和(自身を除く): 103146584

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 173, 197, 250, 346, 394, 500, 625, 692, 788, 865, 985, 1250, 1730, 1970, 2500, 3460, 3940, 4325, 4925, 8650, 9850, 17300, 19700, 21625, 24625, 34081, 43250, 49250, 68162, 86500, 98500, 108125, 123125, 136324, 170405, 216250, 246250, 340810, 432500, 492500, 681620, 852025, 1704050, 3408100, 4260125, 8520250, 17040500, 21300625, 42601250, 85202500]

約数ペア:

[(1, 85202500), (2, 42601250), (4, 21300625), (5, 17040500), (10, 8520250), (20, 4260125), (25, 3408100), (50, 1704050), (100, 852025), (125, 681620), (173, 492500), (197, 432500), (250, 340810), (346, 246250), (394, 216250), (500, 170405), (625, 136324), (692, 123125), (788, 108125), (865, 98500), (985, 86500), (1250, 68162), (1730, 49250), (1970, 43250), (2500, 34081), (3460, 24625), (3940, 21625), (4325, 19700), (4925, 17300), (8650, 9850)]