16391560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13219}}^1$

素因数の和:13261

約数の個数: 32

約数和(自身を含む): 38073600

約数和(自身を除く): 21682040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13219, 26438, 52876, 66095, 105752, 132190, 264380, 409789, 528760, 819578, 1639156, 2048945, 3278312, 4097890, 8195780, 16391560]

約数ペア:

[(1, 16391560), (2, 8195780), (4, 4097890), (5, 3278312), (8, 2048945), (10, 1639156), (20, 819578), (31, 528760), (40, 409789), (62, 264380), (124, 132190), (155, 105752), (248, 66095), (310, 52876), (620, 26438), (1240, 13219)]