19708000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 32576960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 379, 400, 416, 500, 520, 650, 758, 800, 1000, 1040, 1300, 1516, 1625, 1895, 2000, 2080, 2600, 3032, 3250, 3790, 4000, 4927, 5200, 6064, 6500, 7580, 9475, 9854, 10400, 12128, 13000, 15160, 18950, 19708, 24635, 26000, 30320, 37900, 39416, 47375, 49270, 52000, 60640, 75800, 78832, 94750, 98540, 123175, 151600, 157664, 189500, 197080, 246350, 303200, 379000, 394160, 492700, 615875, 758000, 788320, 985400, 1231750, 1516000, 1970800, 2463500, 3941600, 4927000, 9854000, 19708000]

約数ペア:

[(1, 19708000), (2, 9854000), (4, 4927000), (5, 3941600), (8, 2463500), (10, 1970800), (13, 1516000), (16, 1231750), (20, 985400), (25, 788320), (26, 758000), (32, 615875), (40, 492700), (50, 394160), (52, 379000), (65, 303200), (80, 246350), (100, 197080), (104, 189500), (125, 157664), (130, 151600), (160, 123175), (200, 98540), (208, 94750), (250, 78832), (260, 75800), (325, 60640), (379, 52000), (400, 49270), (416, 47375), (500, 39416), (520, 37900), (650, 30320), (758, 26000), (800, 24635), (1000, 19708), (1040, 18950), (1300, 15160), (1516, 13000), (1625, 12128), (1895, 10400), (2000, 9854), (2080, 9475), (2600, 7580), (3032, 6500), (3250, 6064), (3790, 5200), (4000, 4927)]