131973320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 303851520

約数和(自身を除く): 171878200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 127, 166, 254, 313, 332, 415, 508, 626, 635, 664, 830, 1016, 1252, 1270, 1565, 1660, 2504, 2540, 3130, 3320, 5080, 6260, 10541, 12520, 21082, 25979, 39751, 42164, 51958, 52705, 79502, 84328, 103916, 105410, 129895, 159004, 198755, 207832, 210820, 259790, 318008, 397510, 421640, 519580, 795020, 1039160, 1590040, 3299333, 6598666, 13197332, 16496665, 26394664, 32993330, 65986660, 131973320]

約数ペア:

[(1, 131973320), (2, 65986660), (4, 32993330), (5, 26394664), (8, 16496665), (10, 13197332), (20, 6598666), (40, 3299333), (83, 1590040), (127, 1039160), (166, 795020), (254, 519580), (313, 421640), (332, 397510), (415, 318008), (508, 259790), (626, 210820), (635, 207832), (664, 198755), (830, 159004), (1016, 129895), (1252, 105410), (1270, 103916), (1565, 84328), (1660, 79502), (2504, 52705), (2540, 51958), (3130, 42164), (3320, 39751), (5080, 25979), (6260, 21082), (10541, 12520)]