98480000

素因数分解:

$2^7\times 5^4\times {\mathrm{1231}}^1$

素因数の和:1265

約数の個数: 80

約数和(自身を含む): 245358960

約数和(自身を除く): 146878960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1231, 1250, 1600, 2000, 2462, 2500, 3200, 4000, 4924, 5000, 6155, 8000, 9848, 10000, 12310, 16000, 19696, 20000, 24620, 30775, 39392, 40000, 49240, 61550, 78784, 80000, 98480, 123100, 153875, 157568, 196960, 246200, 307750, 393920, 492400, 615500, 769375, 787840, 984800, 1231000, 1538750, 1969600, 2462000, 3077500, 3939200, 4924000, 6155000, 9848000, 12310000, 19696000, 24620000, 49240000, 98480000]

約数ペア:

[(1, 98480000), (2, 49240000), (4, 24620000), (5, 19696000), (8, 12310000), (10, 9848000), (16, 6155000), (20, 4924000), (25, 3939200), (32, 3077500), (40, 2462000), (50, 1969600), (64, 1538750), (80, 1231000), (100, 984800), (125, 787840), (128, 769375), (160, 615500), (200, 492400), (250, 393920), (320, 307750), (400, 246200), (500, 196960), (625, 157568), (640, 153875), (800, 123100), (1000, 98480), (1231, 80000), (1250, 78784), (1600, 61550), (2000, 49240), (2462, 40000), (2500, 39392), (3200, 30775), (4000, 24620), (4924, 20000), (5000, 19696), (6155, 16000), (8000, 12310), (9848, 10000)]