40948480

素因数分解:

$2^8\times 5^1\times {\mathrm{31991}}^1$

素因数の和:32012

約数の個数: 36

約数和(自身を含む): 98087472

約数和(自身を除く): 57138992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31991, 63982, 127964, 159955, 255928, 319910, 511856, 639820, 1023712, 1279640, 2047424, 2559280, 4094848, 5118560, 8189696, 10237120, 20474240, 40948480]

約数ペア:

[(1, 40948480), (2, 20474240), (4, 10237120), (5, 8189696), (8, 5118560), (10, 4094848), (16, 2559280), (20, 2047424), (32, 1279640), (40, 1023712), (64, 639820), (80, 511856), (128, 319910), (160, 255928), (256, 159955), (320, 127964), (640, 63982), (1280, 31991)]