12880160

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 17964640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1019, 1264, 1580, 2038, 2528, 3160, 4076, 5095, 6320, 8152, 10190, 12640, 16304, 20380, 32608, 40760, 80501, 81520, 161002, 163040, 322004, 402505, 644008, 805010, 1288016, 1610020, 2576032, 3220040, 6440080, 12880160]

約数ペア:

[(1, 12880160), (2, 6440080), (4, 3220040), (5, 2576032), (8, 1610020), (10, 1288016), (16, 805010), (20, 644008), (32, 402505), (40, 322004), (79, 163040), (80, 161002), (158, 81520), (160, 80501), (316, 40760), (395, 32608), (632, 20380), (790, 16304), (1019, 12640), (1264, 10190), (1580, 8152), (2038, 6320), (2528, 5095), (3160, 4076)]