205685000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 497840640

約数和(自身を除く): 292155640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1327, 1550, 2500, 2654, 3100, 3875, 5000, 5308, 6200, 6635, 7750, 10616, 13270, 15500, 19375, 26540, 31000, 33175, 38750, 41137, 53080, 66350, 77500, 82274, 132700, 155000, 164548, 165875, 205685, 265400, 329096, 331750, 411370, 663500, 822740, 829375, 1028425, 1327000, 1645480, 1658750, 2056850, 3317500, 4113700, 5142125, 6635000, 8227400, 10284250, 20568500, 25710625, 41137000, 51421250, 102842500, 205685000]

約数ペア:

[(1, 205685000), (2, 102842500), (4, 51421250), (5, 41137000), (8, 25710625), (10, 20568500), (20, 10284250), (25, 8227400), (31, 6635000), (40, 5142125), (50, 4113700), (62, 3317500), (100, 2056850), (124, 1658750), (125, 1645480), (155, 1327000), (200, 1028425), (248, 829375), (250, 822740), (310, 663500), (500, 411370), (620, 331750), (625, 329096), (775, 265400), (1000, 205685), (1240, 165875), (1250, 164548), (1327, 155000), (1550, 132700), (2500, 82274), (2654, 77500), (3100, 66350), (3875, 53080), (5000, 41137), (5308, 38750), (6200, 33175), (6635, 31000), (7750, 26540), (10616, 19375), (13270, 15500)]