80620000

素因数分解:

$2^5\times 5^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 206652600

約数和(自身を除く): 126032600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 125, 139, 145, 160, 200, 232, 250, 278, 290, 400, 464, 500, 556, 580, 625, 695, 725, 800, 928, 1000, 1112, 1160, 1250, 1390, 1450, 2000, 2224, 2320, 2500, 2780, 2900, 3475, 3625, 4000, 4031, 4448, 4640, 5000, 5560, 5800, 6950, 7250, 8062, 10000, 11120, 11600, 13900, 14500, 16124, 17375, 18125, 20000, 20155, 22240, 23200, 27800, 29000, 32248, 34750, 36250, 40310, 55600, 58000, 64496, 69500, 72500, 80620, 86875, 100775, 111200, 116000, 128992, 139000, 145000, 161240, 173750, 201550, 278000, 290000, 322480, 347500, 403100, 503875, 556000, 580000, 644960, 695000, 806200, 1007750, 1390000, 1612400, 2015500, 2519375, 2780000, 3224800, 4031000, 5038750, 8062000, 10077500, 16124000, 20155000, 40310000, 80620000]

約数ペア:

[(1, 80620000), (2, 40310000), (4, 20155000), (5, 16124000), (8, 10077500), (10, 8062000), (16, 5038750), (20, 4031000), (25, 3224800), (29, 2780000), (32, 2519375), (40, 2015500), (50, 1612400), (58, 1390000), (80, 1007750), (100, 806200), (116, 695000), (125, 644960), (139, 580000), (145, 556000), (160, 503875), (200, 403100), (232, 347500), (250, 322480), (278, 290000), (290, 278000), (400, 201550), (464, 173750), (500, 161240), (556, 145000), (580, 139000), (625, 128992), (695, 116000), (725, 111200), (800, 100775), (928, 86875), (1000, 80620), (1112, 72500), (1160, 69500), (1250, 64496), (1390, 58000), (1450, 55600), (2000, 40310), (2224, 36250), (2320, 34750), (2500, 32248), (2780, 29000), (2900, 27800), (3475, 23200), (3625, 22240), (4000, 20155), (4031, 20000), (4448, 18125), (4640, 17375), (5000, 16124), (5560, 14500), (5800, 13900), (6950, 11600), (7250, 11120), (8062, 10000)]