80251520

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3445

約数の個数: 64

約数和(自身を含む): 197094600

約数和(自身を除く): 116843080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 3389, 4736, 5920, 6778, 11840, 13556, 16945, 23680, 27112, 33890, 54224, 67780, 108448, 125393, 135560, 216896, 250786, 271120, 433792, 501572, 542240, 626965, 1003144, 1084480, 1253930, 2006288, 2168960, 2507860, 4012576, 5015720, 8025152, 10031440, 16050304, 20062880, 40125760, 80251520]

約数ペア:

[(1, 80251520), (2, 40125760), (4, 20062880), (5, 16050304), (8, 10031440), (10, 8025152), (16, 5015720), (20, 4012576), (32, 2507860), (37, 2168960), (40, 2006288), (64, 1253930), (74, 1084480), (80, 1003144), (128, 626965), (148, 542240), (160, 501572), (185, 433792), (296, 271120), (320, 250786), (370, 216896), (592, 135560), (640, 125393), (740, 108448), (1184, 67780), (1480, 54224), (2368, 33890), (2960, 27112), (3389, 23680), (4736, 16945), (5920, 13556), (6778, 11840)]