1901440

素因数分解:

$2^7\times 5^1\times {\mathrm{2971}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 4547160

約数和(自身を除く): 2645720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2971, 5942, 11884, 14855, 23768, 29710, 47536, 59420, 95072, 118840, 190144, 237680, 380288, 475360, 950720, 1901440]

約数ペア:

[(1, 1901440), (2, 950720), (4, 475360), (5, 380288), (8, 237680), (10, 190144), (16, 118840), (20, 95072), (32, 59420), (40, 47536), (64, 29710), (80, 23768), (128, 14855), (160, 11884), (320, 5942), (640, 2971)]