42727040

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 103311720

約数和(自身を除く): 60584680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 661, 808, 1010, 1322, 1616, 2020, 2644, 3232, 3305, 4040, 5288, 6464, 6610, 8080, 10576, 12928, 13220, 16160, 21152, 26440, 32320, 42304, 52880, 64640, 66761, 84608, 105760, 133522, 211520, 267044, 333805, 423040, 534088, 667610, 1068176, 1335220, 2136352, 2670440, 4272704, 5340880, 8545408, 10681760, 21363520, 42727040]

約数ペア:

[(1, 42727040), (2, 21363520), (4, 10681760), (5, 8545408), (8, 5340880), (10, 4272704), (16, 2670440), (20, 2136352), (32, 1335220), (40, 1068176), (64, 667610), (80, 534088), (101, 423040), (128, 333805), (160, 267044), (202, 211520), (320, 133522), (404, 105760), (505, 84608), (640, 66761), (661, 64640), (808, 52880), (1010, 42304), (1322, 32320), (1616, 26440), (2020, 21152), (2644, 16160), (3232, 13220), (3305, 12928), (4040, 10576), (5288, 8080), (6464, 6610)]