201773980

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15739}}^1$

素因数の和:16389

約数の個数: 24

約数和(自身を含む): 424413360

約数和(自身を除く): 222639380

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15739, 31478, 62956, 78695, 157390, 314780, 10088699, 20177398, 40354796, 50443495, 100886990, 201773980]

約数ペア:

[(1, 201773980), (2, 100886990), (4, 50443495), (5, 40354796), (10, 20177398), (20, 10088699), (641, 314780), (1282, 157390), (2564, 78695), (3205, 62956), (6410, 31478), (12820, 15739)]