65968240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 166739328

約数和(自身を除く): 100771088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 463, 520, 548, 685, 926, 1040, 1096, 1370, 1781, 1852, 2192, 2315, 2740, 3562, 3704, 4630, 5480, 6019, 7124, 7408, 8905, 9260, 10960, 12038, 14248, 17810, 18520, 24076, 28496, 30095, 35620, 37040, 48152, 60190, 63431, 71240, 96304, 120380, 126862, 142480, 240760, 253724, 317155, 481520, 507448, 634310, 824603, 1014896, 1268620, 1649206, 2537240, 3298412, 4123015, 5074480, 6596824, 8246030, 13193648, 16492060, 32984120, 65968240]

約数ペア:

[(1, 65968240), (2, 32984120), (4, 16492060), (5, 13193648), (8, 8246030), (10, 6596824), (13, 5074480), (16, 4123015), (20, 3298412), (26, 2537240), (40, 1649206), (52, 1268620), (65, 1014896), (80, 824603), (104, 634310), (130, 507448), (137, 481520), (208, 317155), (260, 253724), (274, 240760), (463, 142480), (520, 126862), (548, 120380), (685, 96304), (926, 71240), (1040, 63431), (1096, 60190), (1370, 48152), (1781, 37040), (1852, 35620), (2192, 30095), (2315, 28496), (2740, 24076), (3562, 18520), (3704, 17810), (4630, 14248), (5480, 12038), (6019, 10960), (7124, 9260), (7408, 8905)]