201580880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132619}}^1$

素因数の和:132651

約数の個数: 40

約数和(自身を含む): 493346400

約数和(自身を除く): 291765520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132619, 265238, 530476, 663095, 1060952, 1326190, 2121904, 2519761, 2652380, 5039522, 5304760, 10079044, 10609520, 12598805, 20158088, 25197610, 40316176, 50395220, 100790440, 201580880]

約数ペア:

[(1, 201580880), (2, 100790440), (4, 50395220), (5, 40316176), (8, 25197610), (10, 20158088), (16, 12598805), (19, 10609520), (20, 10079044), (38, 5304760), (40, 5039522), (76, 2652380), (80, 2519761), (95, 2121904), (152, 1326190), (190, 1060952), (304, 663095), (380, 530476), (760, 265238), (1520, 132619)]