39938720

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 97258644

約数和(自身を除く): 57319924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 113, 160, 188, 226, 235, 376, 452, 470, 565, 752, 904, 940, 1130, 1504, 1808, 1880, 2209, 2260, 3616, 3760, 4418, 4520, 5311, 7520, 8836, 9040, 10622, 11045, 17672, 18080, 21244, 22090, 26555, 35344, 42488, 44180, 53110, 70688, 84976, 88360, 106220, 169952, 176720, 212440, 249617, 353440, 424880, 499234, 849760, 998468, 1248085, 1996936, 2496170, 3993872, 4992340, 7987744, 9984680, 19969360, 39938720]

約数ペア:

[(1, 39938720), (2, 19969360), (4, 9984680), (5, 7987744), (8, 4992340), (10, 3993872), (16, 2496170), (20, 1996936), (32, 1248085), (40, 998468), (47, 849760), (80, 499234), (94, 424880), (113, 353440), (160, 249617), (188, 212440), (226, 176720), (235, 169952), (376, 106220), (452, 88360), (470, 84976), (565, 70688), (752, 53110), (904, 44180), (940, 42488), (1130, 35344), (1504, 26555), (1808, 22090), (1880, 21244), (2209, 18080), (2260, 17672), (3616, 11045), (3760, 10622), (4418, 9040), (4520, 8836), (5311, 7520)]