51143440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33647}}^1$

素因数の和:33679

約数の個数: 40

約数和(自身を含む): 125170560

約数和(自身を除く): 74027120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33647, 67294, 134588, 168235, 269176, 336470, 538352, 639293, 672940, 1278586, 1345880, 2557172, 2691760, 3196465, 5114344, 6392930, 10228688, 12785860, 25571720, 51143440]

約数ペア:

[(1, 51143440), (2, 25571720), (4, 12785860), (5, 10228688), (8, 6392930), (10, 5114344), (16, 3196465), (19, 2691760), (20, 2557172), (38, 1345880), (40, 1278586), (76, 672940), (80, 639293), (95, 538352), (152, 336470), (190, 269176), (304, 168235), (380, 134588), (760, 67294), (1520, 33647)]