71964520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 167443200

約数和(自身を除く): 95478680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 379, 404, 470, 505, 758, 808, 940, 1010, 1516, 1880, 1895, 2020, 3032, 3790, 4040, 4747, 7580, 9494, 15160, 17813, 18988, 23735, 35626, 37976, 38279, 47470, 71252, 76558, 89065, 94940, 142504, 153116, 178130, 189880, 191395, 306232, 356260, 382790, 712520, 765580, 1531160, 1799113, 3598226, 7196452, 8995565, 14392904, 17991130, 35982260, 71964520]

約数ペア:

[(1, 71964520), (2, 35982260), (4, 17991130), (5, 14392904), (8, 8995565), (10, 7196452), (20, 3598226), (40, 1799113), (47, 1531160), (94, 765580), (101, 712520), (188, 382790), (202, 356260), (235, 306232), (376, 191395), (379, 189880), (404, 178130), (470, 153116), (505, 142504), (758, 94940), (808, 89065), (940, 76558), (1010, 71252), (1516, 47470), (1880, 38279), (1895, 37976), (2020, 35626), (3032, 23735), (3790, 18988), (4040, 17813), (4747, 15160), (7580, 9494)]