16987760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12521

約数の個数: 40

約数和(自身を含む): 41823216

約数和(自身を除く): 24835456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 212347, 249820, 424694, 499640, 849388, 999280, 1061735, 1698776, 2123470, 3397552, 4246940, 8493880, 16987760]

約数ペア:

[(1, 16987760), (2, 8493880), (4, 4246940), (5, 3397552), (8, 2123470), (10, 1698776), (16, 1061735), (17, 999280), (20, 849388), (34, 499640), (40, 424694), (68, 249820), (80, 212347), (85, 199856), (136, 124910), (170, 99928), (272, 62455), (340, 49964), (680, 24982), (1360, 12491)]