80458000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 120

約数和(自身を含む): 226585944

約数和(自身を除く): 146127944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 821, 875, 980, 1000, 1225, 1400, 1642, 1750, 1960, 2000, 2450, 2800, 3284, 3500, 3920, 4105, 4900, 5747, 6125, 6568, 7000, 8210, 9800, 11494, 12250, 13136, 14000, 16420, 19600, 20525, 22988, 24500, 28735, 32840, 40229, 41050, 45976, 49000, 57470, 65680, 80458, 82100, 91952, 98000, 102625, 114940, 143675, 160916, 164200, 201145, 205250, 229880, 287350, 321832, 328400, 402290, 410500, 459760, 574700, 643664, 718375, 804580, 821000, 1005725, 1149400, 1436750, 1609160, 1642000, 2011450, 2298800, 2873500, 3218320, 4022900, 5028625, 5747000, 8045800, 10057250, 11494000, 16091600, 20114500, 40229000, 80458000]

約数ペア:

[(1, 80458000), (2, 40229000), (4, 20114500), (5, 16091600), (7, 11494000), (8, 10057250), (10, 8045800), (14, 5747000), (16, 5028625), (20, 4022900), (25, 3218320), (28, 2873500), (35, 2298800), (40, 2011450), (49, 1642000), (50, 1609160), (56, 1436750), (70, 1149400), (80, 1005725), (98, 821000), (100, 804580), (112, 718375), (125, 643664), (140, 574700), (175, 459760), (196, 410500), (200, 402290), (245, 328400), (250, 321832), (280, 287350), (350, 229880), (392, 205250), (400, 201145), (490, 164200), (500, 160916), (560, 143675), (700, 114940), (784, 102625), (821, 98000), (875, 91952), (980, 82100), (1000, 80458), (1225, 65680), (1400, 57470), (1642, 49000), (1750, 45976), (1960, 41050), (2000, 40229), (2450, 32840), (2800, 28735), (3284, 24500), (3500, 22988), (3920, 20525), (4105, 19600), (4900, 16420), (5747, 14000), (6125, 13136), (6568, 12250), (7000, 11494), (8210, 9800)]