80937760

素因数分解:

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

素因数の和:338

約数の個数: 72

約数和(自身を含む): 196223580

約数和(自身を除く): 115285820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 229, 235, 376, 458, 470, 752, 916, 940, 1145, 1504, 1832, 1880, 2209, 2290, 3664, 3760, 4418, 4580, 7328, 7520, 8836, 9160, 10763, 11045, 17672, 18320, 21526, 22090, 35344, 36640, 43052, 44180, 53815, 70688, 86104, 88360, 107630, 172208, 176720, 215260, 344416, 353440, 430520, 505861, 861040, 1011722, 1722080, 2023444, 2529305, 4046888, 5058610, 8093776, 10117220, 16187552, 20234440, 40468880, 80937760]

約数ペア:

[(1, 80937760), (2, 40468880), (4, 20234440), (5, 16187552), (8, 10117220), (10, 8093776), (16, 5058610), (20, 4046888), (32, 2529305), (40, 2023444), (47, 1722080), (80, 1011722), (94, 861040), (160, 505861), (188, 430520), (229, 353440), (235, 344416), (376, 215260), (458, 176720), (470, 172208), (752, 107630), (916, 88360), (940, 86104), (1145, 70688), (1504, 53815), (1832, 44180), (1880, 43052), (2209, 36640), (2290, 35344), (3664, 22090), (3760, 21526), (4418, 18320), (4580, 17672), (7328, 11045), (7520, 10763), (8836, 9160)]