16915040

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 40551840

約数和(自身を除く): 23636800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1489, 2272, 2840, 2978, 5680, 5956, 7445, 11360, 11912, 14890, 23824, 29780, 47648, 59560, 105719, 119120, 211438, 238240, 422876, 528595, 845752, 1057190, 1691504, 2114380, 3383008, 4228760, 8457520, 16915040]

約数ペア:

[(1, 16915040), (2, 8457520), (4, 4228760), (5, 3383008), (8, 2114380), (10, 1691504), (16, 1057190), (20, 845752), (32, 528595), (40, 422876), (71, 238240), (80, 211438), (142, 119120), (160, 105719), (284, 59560), (355, 47648), (568, 29780), (710, 23824), (1136, 14890), (1420, 11912), (1489, 11360), (2272, 7445), (2840, 5956), (2978, 5680)]