8157440

素因数分解:

$2^8\times 5^1\times {\mathrm{6373}}^1$

素因数の和:6394

約数の個数: 36

約数和(自身を含む): 19542684

約数和(自身を除く): 11385244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6373, 12746, 25492, 31865, 50984, 63730, 101968, 127460, 203936, 254920, 407872, 509840, 815744, 1019680, 1631488, 2039360, 4078720, 8157440]

約数ペア:

[(1, 8157440), (2, 4078720), (4, 2039360), (5, 1631488), (8, 1019680), (10, 815744), (16, 509840), (20, 407872), (32, 254920), (40, 203936), (64, 127460), (80, 101968), (128, 63730), (160, 50984), (256, 31865), (320, 25492), (640, 12746), (1280, 6373)]