71737880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61843}}^1$

素因数の和:61883

約数の個数: 32

約数和(自身を含む): 166978800

約数和(自身を除く): 95240920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61843, 123686, 247372, 309215, 494744, 618430, 1236860, 1793447, 2473720, 3586894, 7173788, 8967235, 14347576, 17934470, 35868940, 71737880]

約数ペア:

[(1, 71737880), (2, 35868940), (4, 17934470), (5, 14347576), (8, 8967235), (10, 7173788), (20, 3586894), (29, 2473720), (40, 1793447), (58, 1236860), (116, 618430), (145, 494744), (232, 309215), (290, 247372), (580, 123686), (1160, 61843)]