26503480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 64310400

約数和(自身を除く): 37806920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 811, 817, 860, 1622, 1634, 1720, 3244, 3268, 4055, 4085, 6488, 6536, 8110, 8170, 15409, 16220, 16340, 30818, 32440, 32680, 34873, 61636, 69746, 77045, 123272, 139492, 154090, 174365, 278984, 308180, 348730, 616360, 662587, 697460, 1325174, 1394920, 2650348, 3312935, 5300696, 6625870, 13251740, 26503480]

約数ペア:

[(1, 26503480), (2, 13251740), (4, 6625870), (5, 5300696), (8, 3312935), (10, 2650348), (19, 1394920), (20, 1325174), (38, 697460), (40, 662587), (43, 616360), (76, 348730), (86, 308180), (95, 278984), (152, 174365), (172, 154090), (190, 139492), (215, 123272), (344, 77045), (380, 69746), (430, 61636), (760, 34873), (811, 32680), (817, 32440), (860, 30818), (1622, 16340), (1634, 16220), (1720, 15409), (3244, 8170), (3268, 8110), (4055, 6536), (4085, 6488)]