82020640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 213373440

約数和(自身を除く): 131352800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 416, 470, 520, 611, 752, 839, 940, 1040, 1222, 1504, 1678, 1880, 2080, 2444, 3055, 3356, 3760, 4195, 4888, 6110, 6712, 7520, 8390, 9776, 10907, 12220, 13424, 16780, 19552, 21814, 24440, 26848, 33560, 39433, 43628, 48880, 54535, 67120, 78866, 87256, 97760, 109070, 134240, 157732, 174512, 197165, 218140, 315464, 349024, 394330, 436280, 512629, 630928, 788660, 872560, 1025258, 1261856, 1577320, 1745120, 2050516, 2563145, 3154640, 4101032, 5126290, 6309280, 8202064, 10252580, 16404128, 20505160, 41010320, 82020640]

約数ペア:

[(1, 82020640), (2, 41010320), (4, 20505160), (5, 16404128), (8, 10252580), (10, 8202064), (13, 6309280), (16, 5126290), (20, 4101032), (26, 3154640), (32, 2563145), (40, 2050516), (47, 1745120), (52, 1577320), (65, 1261856), (80, 1025258), (94, 872560), (104, 788660), (130, 630928), (160, 512629), (188, 436280), (208, 394330), (235, 349024), (260, 315464), (376, 218140), (416, 197165), (470, 174512), (520, 157732), (611, 134240), (752, 109070), (839, 97760), (940, 87256), (1040, 78866), (1222, 67120), (1504, 54535), (1678, 48880), (1880, 43628), (2080, 39433), (2444, 33560), (3055, 26848), (3356, 24440), (3760, 21814), (4195, 19552), (4888, 16780), (6110, 13424), (6712, 12220), (7520, 10907), (8390, 9776)]