17580820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 20884460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 317, 470, 590, 634, 940, 1180, 1268, 1585, 2773, 3170, 5546, 6340, 11092, 13865, 14899, 18703, 27730, 29798, 37406, 55460, 59596, 74495, 74812, 93515, 148990, 187030, 297980, 374060, 879041, 1758082, 3516164, 4395205, 8790410, 17580820]

約数ペア:

[(1, 17580820), (2, 8790410), (4, 4395205), (5, 3516164), (10, 1758082), (20, 879041), (47, 374060), (59, 297980), (94, 187030), (118, 148990), (188, 93515), (235, 74812), (236, 74495), (295, 59596), (317, 55460), (470, 37406), (590, 29798), (634, 27730), (940, 18703), (1180, 14899), (1268, 13865), (1585, 11092), (2773, 6340), (3170, 5546)]