64147480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 149040000

約数和(自身を除く): 84892520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 229, 235, 298, 376, 458, 470, 596, 745, 916, 940, 1145, 1192, 1490, 1832, 1880, 2290, 2980, 4580, 5960, 7003, 9160, 10763, 14006, 21526, 28012, 34121, 35015, 43052, 53815, 56024, 68242, 70030, 86104, 107630, 136484, 140060, 170605, 215260, 272968, 280120, 341210, 430520, 682420, 1364840, 1603687, 3207374, 6414748, 8018435, 12829496, 16036870, 32073740, 64147480]

約数ペア:

[(1, 64147480), (2, 32073740), (4, 16036870), (5, 12829496), (8, 8018435), (10, 6414748), (20, 3207374), (40, 1603687), (47, 1364840), (94, 682420), (149, 430520), (188, 341210), (229, 280120), (235, 272968), (298, 215260), (376, 170605), (458, 140060), (470, 136484), (596, 107630), (745, 86104), (916, 70030), (940, 68242), (1145, 56024), (1192, 53815), (1490, 43052), (1832, 35015), (1880, 34121), (2290, 28012), (2980, 21526), (4580, 14006), (5960, 10763), (7003, 9160)]