168380440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 393089760

約数和(自身を除く): 224709320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 664, 820, 830, 1237, 1640, 1660, 2474, 3320, 3403, 4948, 6185, 6806, 9896, 12370, 13612, 17015, 24740, 27224, 34030, 49480, 50717, 68060, 101434, 102671, 136120, 202868, 205342, 253585, 405736, 410684, 507170, 513355, 821368, 1014340, 1026710, 2028680, 2053420, 4106840, 4209511, 8419022, 16838044, 21047555, 33676088, 42095110, 84190220, 168380440]

約数ペア:

[(1, 168380440), (2, 84190220), (4, 42095110), (5, 33676088), (8, 21047555), (10, 16838044), (20, 8419022), (40, 4209511), (41, 4106840), (82, 2053420), (83, 2028680), (164, 1026710), (166, 1014340), (205, 821368), (328, 513355), (332, 507170), (410, 410684), (415, 405736), (664, 253585), (820, 205342), (830, 202868), (1237, 136120), (1640, 102671), (1660, 101434), (2474, 68060), (3320, 50717), (3403, 49480), (4948, 34030), (6185, 27224), (6806, 24740), (9896, 17015), (12370, 13612)]