66376960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 72

約数和(自身を含む): 171266760

約数和(自身を除く): 104889800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 3989, 4160, 7978, 8320, 15956, 16640, 19945, 31912, 39890, 51857, 63824, 79780, 103714, 127648, 159560, 207428, 255296, 259285, 319120, 414856, 510592, 518570, 638240, 829712, 1021184, 1037140, 1276480, 1659424, 2074280, 2552960, 3318848, 4148560, 5105920, 6637696, 8297120, 13275392, 16594240, 33188480, 66376960]

約数ペア:

[(1, 66376960), (2, 33188480), (4, 16594240), (5, 13275392), (8, 8297120), (10, 6637696), (13, 5105920), (16, 4148560), (20, 3318848), (26, 2552960), (32, 2074280), (40, 1659424), (52, 1276480), (64, 1037140), (65, 1021184), (80, 829712), (104, 638240), (128, 518570), (130, 510592), (160, 414856), (208, 319120), (256, 259285), (260, 255296), (320, 207428), (416, 159560), (520, 127648), (640, 103714), (832, 79780), (1040, 63824), (1280, 51857), (1664, 39890), (2080, 31912), (3328, 19945), (3989, 16640), (4160, 15956), (7978, 8320)]