8715980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4818

約数の個数: 48

約数和(自身を含む): 22532160

約数和(自身を除く): 13816180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4789, 9578, 19156, 23945, 33523, 47890, 62257, 67046, 95780, 124514, 134092, 167615, 249028, 311285, 335230, 435799, 622570, 670460, 871598, 1245140, 1743196, 2178995, 4357990, 8715980]

約数ペア:

[(1, 8715980), (2, 4357990), (4, 2178995), (5, 1743196), (7, 1245140), (10, 871598), (13, 670460), (14, 622570), (20, 435799), (26, 335230), (28, 311285), (35, 249028), (52, 167615), (65, 134092), (70, 124514), (91, 95780), (130, 67046), (140, 62257), (182, 47890), (260, 33523), (364, 23945), (455, 19156), (910, 9578), (1820, 4789)]