19835800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 48071700

約数和(自身を除く): 28235900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 59, 82, 100, 118, 164, 200, 205, 236, 295, 328, 410, 472, 590, 820, 1025, 1180, 1475, 1640, 1681, 2050, 2360, 2419, 2950, 3362, 4100, 4838, 5900, 6724, 8200, 8405, 9676, 11800, 12095, 13448, 16810, 19352, 24190, 33620, 42025, 48380, 60475, 67240, 84050, 96760, 99179, 120950, 168100, 198358, 241900, 336200, 396716, 483800, 495895, 793432, 991790, 1983580, 2479475, 3967160, 4958950, 9917900, 19835800]

約数ペア:

[(1, 19835800), (2, 9917900), (4, 4958950), (5, 3967160), (8, 2479475), (10, 1983580), (20, 991790), (25, 793432), (40, 495895), (41, 483800), (50, 396716), (59, 336200), (82, 241900), (100, 198358), (118, 168100), (164, 120950), (200, 99179), (205, 96760), (236, 84050), (295, 67240), (328, 60475), (410, 48380), (472, 42025), (590, 33620), (820, 24190), (1025, 19352), (1180, 16810), (1475, 13448), (1640, 12095), (1681, 11800), (2050, 9676), (2360, 8405), (2419, 8200), (2950, 6724), (3362, 5900), (4100, 4838)]