25516240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16787}}^1$

素因数の和:16819

約数の個数: 40

約数和(自身を含む): 62451360

約数和(自身を除く): 36935120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16787, 33574, 67148, 83935, 134296, 167870, 268592, 318953, 335740, 637906, 671480, 1275812, 1342960, 1594765, 2551624, 3189530, 5103248, 6379060, 12758120, 25516240]

約数ペア:

[(1, 25516240), (2, 12758120), (4, 6379060), (5, 5103248), (8, 3189530), (10, 2551624), (16, 1594765), (19, 1342960), (20, 1275812), (38, 671480), (40, 637906), (76, 335740), (80, 318953), (95, 268592), (152, 167870), (190, 134296), (304, 83935), (380, 67148), (760, 33574), (1520, 16787)]