86115520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8681}}^1$

素因数の和:8729

約数の個数: 56

約数和(自身を含む): 211701888

約数和(自身を除く): 125586368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8681, 9920, 17362, 34724, 43405, 69448, 86810, 138896, 173620, 269111, 277792, 347240, 538222, 555584, 694480, 1076444, 1345555, 1388960, 2152888, 2691110, 2777920, 4305776, 5382220, 8611552, 10764440, 17223104, 21528880, 43057760, 86115520]

約数ペア:

[(1, 86115520), (2, 43057760), (4, 21528880), (5, 17223104), (8, 10764440), (10, 8611552), (16, 5382220), (20, 4305776), (31, 2777920), (32, 2691110), (40, 2152888), (62, 1388960), (64, 1345555), (80, 1076444), (124, 694480), (155, 555584), (160, 538222), (248, 347240), (310, 277792), (320, 269111), (496, 173620), (620, 138896), (992, 86810), (1240, 69448), (1984, 43405), (2480, 34724), (4960, 17362), (8681, 9920)]