80498386000

素因数分解:

$2^4\times 5^3\times {\mathrm{3181}}^1\times {\mathrm{12653}}^1$

素因数の和:15857

約数の個数: 80

約数和(自身を含む): 194721675408

約数和(自身を除く): 114223289408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 3181, 6362, 12653, 12724, 15905, 25306, 25448, 31810, 50612, 50896, 63265, 63620, 79525, 101224, 126530, 127240, 159050, 202448, 253060, 254480, 316325, 318100, 397625, 506120, 632650, 636200, 795250, 1012240, 1265300, 1272400, 1581625, 1590500, 2530600, 3163250, 3181000, 5061200, 6326500, 6362000, 12653000, 25306000, 40249193, 80498386, 160996772, 201245965, 321993544, 402491930, 643987088, 804983860, 1006229825, 1609967720, 2012459650, 3219935440, 4024919300, 5031149125, 8049838600, 10062298250, 16099677200, 20124596500, 40249193000, 80498386000]

約数ペア:

[(1, 80498386000), (2, 40249193000), (4, 20124596500), (5, 16099677200), (8, 10062298250), (10, 8049838600), (16, 5031149125), (20, 4024919300), (25, 3219935440), (40, 2012459650), (50, 1609967720), (80, 1006229825), (100, 804983860), (125, 643987088), (200, 402491930), (250, 321993544), (400, 201245965), (500, 160996772), (1000, 80498386), (2000, 40249193), (3181, 25306000), (6362, 12653000), (12653, 6362000), (12724, 6326500), (15905, 5061200), (25306, 3181000), (25448, 3163250), (31810, 2530600), (50612, 1590500), (50896, 1581625), (63265, 1272400), (63620, 1265300), (79525, 1012240), (101224, 795250), (126530, 636200), (127240, 632650), (159050, 506120), (202448, 397625), (253060, 318100), (254480, 316325)]