87132640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{77797}}^1$

素因数の和:77819

約数の個数: 48

約数和(自身を含む): 235261152

約数和(自身を除く): 148128512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 77797, 155594, 311188, 388985, 544579, 622376, 777970, 1089158, 1244752, 1555940, 2178316, 2489504, 2722895, 3111880, 4356632, 5445790, 6223760, 8713264, 10891580, 12447520, 17426528, 21783160, 43566320, 87132640]

約数ペア:

[(1, 87132640), (2, 43566320), (4, 21783160), (5, 17426528), (7, 12447520), (8, 10891580), (10, 8713264), (14, 6223760), (16, 5445790), (20, 4356632), (28, 3111880), (32, 2722895), (35, 2489504), (40, 2178316), (56, 1555940), (70, 1244752), (80, 1089158), (112, 777970), (140, 622376), (160, 544579), (224, 388985), (280, 311188), (560, 155594), (1120, 77797)]