64364560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 162489600

約数和(自身を除く): 98125040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 260, 311, 398, 520, 622, 796, 995, 1040, 1244, 1555, 1592, 1990, 2488, 2587, 3110, 3184, 3980, 4043, 4976, 5174, 6220, 7960, 8086, 10348, 12440, 12935, 15920, 16172, 20215, 20696, 24880, 25870, 32344, 40430, 41392, 51740, 61889, 64688, 80860, 103480, 123778, 161720, 206960, 247556, 309445, 323440, 495112, 618890, 804557, 990224, 1237780, 1609114, 2475560, 3218228, 4022785, 4951120, 6436456, 8045570, 12872912, 16091140, 32182280, 64364560]

約数ペア:

[(1, 64364560), (2, 32182280), (4, 16091140), (5, 12872912), (8, 8045570), (10, 6436456), (13, 4951120), (16, 4022785), (20, 3218228), (26, 2475560), (40, 1609114), (52, 1237780), (65, 990224), (80, 804557), (104, 618890), (130, 495112), (199, 323440), (208, 309445), (260, 247556), (311, 206960), (398, 161720), (520, 123778), (622, 103480), (796, 80860), (995, 64688), (1040, 61889), (1244, 51740), (1555, 41392), (1592, 40430), (1990, 32344), (2488, 25870), (2587, 24880), (3110, 20696), (3184, 20215), (3980, 16172), (4043, 15920), (4976, 12935), (5174, 12440), (6220, 10348), (7960, 8086)]