16391440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15761}}^1$

素因数の和:15787

約数の個数: 40

約数和(自身を含む): 41044248

約数和(自身を除く): 24652808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15761, 31522, 63044, 78805, 126088, 157610, 204893, 252176, 315220, 409786, 630440, 819572, 1024465, 1260880, 1639144, 2048930, 3278288, 4097860, 8195720, 16391440]

約数ペア:

[(1, 16391440), (2, 8195720), (4, 4097860), (5, 3278288), (8, 2048930), (10, 1639144), (13, 1260880), (16, 1024465), (20, 819572), (26, 630440), (40, 409786), (52, 315220), (65, 252176), (80, 204893), (104, 157610), (130, 126088), (208, 78805), (260, 63044), (520, 31522), (1040, 15761)]