13721440

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 32659200

約数和(自身を除く): 18937760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 449, 764, 898, 955, 1528, 1796, 1910, 2245, 3056, 3592, 3820, 4490, 6112, 7184, 7640, 8980, 14368, 15280, 17960, 30560, 35920, 71840, 85759, 171518, 343036, 428795, 686072, 857590, 1372144, 1715180, 2744288, 3430360, 6860720, 13721440]

約数ペア:

[(1, 13721440), (2, 6860720), (4, 3430360), (5, 2744288), (8, 1715180), (10, 1372144), (16, 857590), (20, 686072), (32, 428795), (40, 343036), (80, 171518), (160, 85759), (191, 71840), (382, 35920), (449, 30560), (764, 17960), (898, 15280), (955, 14368), (1528, 8980), (1796, 7640), (1910, 7184), (2245, 6112), (3056, 4490), (3592, 3820)]