128959280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94823}}^1$

素因数の和:94853

約数の個数: 40

約数和(自身を含む): 317470752

約数和(自身を除く): 188511472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 94823, 189646, 379292, 474115, 758584, 948230, 1517168, 1611991, 1896460, 3223982, 3792920, 6447964, 7585840, 8059955, 12895928, 16119910, 25791856, 32239820, 64479640, 128959280]

約数ペア:

[(1, 128959280), (2, 64479640), (4, 32239820), (5, 25791856), (8, 16119910), (10, 12895928), (16, 8059955), (17, 7585840), (20, 6447964), (34, 3792920), (40, 3223982), (68, 1896460), (80, 1611991), (85, 1517168), (136, 948230), (170, 758584), (272, 474115), (340, 379292), (680, 189646), (1360, 94823)]