85577320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 205033680

約数和(自身を除く): 119456360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 397, 634, 680, 794, 1268, 1585, 1588, 1985, 2536, 3170, 3176, 3970, 5389, 6340, 6749, 7940, 10778, 12680, 13498, 15880, 21556, 26945, 26996, 33745, 43112, 53890, 53992, 67490, 107780, 125849, 134980, 215560, 251698, 269960, 503396, 629245, 1006792, 1258490, 2139433, 2516980, 4278866, 5033960, 8557732, 10697165, 17115464, 21394330, 42788660, 85577320]

約数ペア:

[(1, 85577320), (2, 42788660), (4, 21394330), (5, 17115464), (8, 10697165), (10, 8557732), (17, 5033960), (20, 4278866), (34, 2516980), (40, 2139433), (68, 1258490), (85, 1006792), (136, 629245), (170, 503396), (317, 269960), (340, 251698), (397, 215560), (634, 134980), (680, 125849), (794, 107780), (1268, 67490), (1585, 53992), (1588, 53890), (1985, 43112), (2536, 33745), (3170, 26996), (3176, 26945), (3970, 21556), (5389, 15880), (6340, 13498), (6749, 12680), (7940, 10778)]