81893500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 197765568

約数和(自身を除く): 115872068

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 125, 130, 172, 215, 250, 260, 293, 325, 430, 500, 559, 586, 650, 860, 1075, 1118, 1172, 1300, 1465, 1625, 2150, 2236, 2795, 2930, 3250, 3809, 4300, 5375, 5590, 5860, 6500, 7325, 7618, 10750, 11180, 12599, 13975, 14650, 15236, 19045, 21500, 25198, 27950, 29300, 36625, 38090, 50396, 55900, 62995, 69875, 73250, 76180, 95225, 125990, 139750, 146500, 163787, 190450, 251980, 279500, 314975, 327574, 380900, 476125, 629950, 655148, 818935, 952250, 1259900, 1574875, 1637870, 1904500, 3149750, 3275740, 4094675, 6299500, 8189350, 16378700, 20473375, 40946750, 81893500]

約数ペア:

[(1, 81893500), (2, 40946750), (4, 20473375), (5, 16378700), (10, 8189350), (13, 6299500), (20, 4094675), (25, 3275740), (26, 3149750), (43, 1904500), (50, 1637870), (52, 1574875), (65, 1259900), (86, 952250), (100, 818935), (125, 655148), (130, 629950), (172, 476125), (215, 380900), (250, 327574), (260, 314975), (293, 279500), (325, 251980), (430, 190450), (500, 163787), (559, 146500), (586, 139750), (650, 125990), (860, 95225), (1075, 76180), (1118, 73250), (1172, 69875), (1300, 62995), (1465, 55900), (1625, 50396), (2150, 38090), (2236, 36625), (2795, 29300), (2930, 27950), (3250, 25198), (3809, 21500), (4300, 19045), (5375, 15236), (5590, 14650), (5860, 13975), (6500, 12599), (7325, 11180), (7618, 10750)]