42007040

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 102750120

約数和(自身を除く): 60743080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 269, 305, 320, 488, 512, 538, 610, 640, 976, 1076, 1220, 1280, 1345, 1952, 2152, 2440, 2560, 2690, 3904, 4304, 4880, 5380, 7808, 8608, 9760, 10760, 15616, 16409, 17216, 19520, 21520, 31232, 32818, 34432, 39040, 43040, 65636, 68864, 78080, 82045, 86080, 131272, 137728, 156160, 164090, 172160, 262544, 328180, 344320, 525088, 656360, 688640, 1050176, 1312720, 2100352, 2625440, 4200704, 5250880, 8401408, 10501760, 21003520, 42007040]

約数ペア:

[(1, 42007040), (2, 21003520), (4, 10501760), (5, 8401408), (8, 5250880), (10, 4200704), (16, 2625440), (20, 2100352), (32, 1312720), (40, 1050176), (61, 688640), (64, 656360), (80, 525088), (122, 344320), (128, 328180), (160, 262544), (244, 172160), (256, 164090), (269, 156160), (305, 137728), (320, 131272), (488, 86080), (512, 82045), (538, 78080), (610, 68864), (640, 65636), (976, 43040), (1076, 39040), (1220, 34432), (1280, 32818), (1345, 31232), (1952, 21520), (2152, 19520), (2440, 17216), (2560, 16409), (2690, 15616), (3904, 10760), (4304, 9760), (4880, 8608), (5380, 7808)]