82931440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 205835040

約数和(自身を除く): 122903600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 289, 340, 422, 578, 680, 844, 1055, 1156, 1360, 1445, 1688, 2110, 2312, 2890, 3376, 3587, 4220, 4624, 4913, 5780, 7174, 8440, 9826, 11560, 14348, 16880, 17935, 19652, 23120, 24565, 28696, 35870, 39304, 49130, 57392, 60979, 71740, 78608, 98260, 121958, 143480, 196520, 243916, 286960, 304895, 393040, 487832, 609790, 975664, 1036643, 1219580, 2073286, 2439160, 4146572, 4878320, 5183215, 8293144, 10366430, 16586288, 20732860, 41465720, 82931440]

約数ペア:

[(1, 82931440), (2, 41465720), (4, 20732860), (5, 16586288), (8, 10366430), (10, 8293144), (16, 5183215), (17, 4878320), (20, 4146572), (34, 2439160), (40, 2073286), (68, 1219580), (80, 1036643), (85, 975664), (136, 609790), (170, 487832), (211, 393040), (272, 304895), (289, 286960), (340, 243916), (422, 196520), (578, 143480), (680, 121958), (844, 98260), (1055, 78608), (1156, 71740), (1360, 60979), (1445, 57392), (1688, 49130), (2110, 39304), (2312, 35870), (2890, 28696), (3376, 24565), (3587, 23120), (4220, 19652), (4624, 17935), (4913, 16880), (5780, 14348), (7174, 11560), (8440, 9826)]