49993840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 127679328

約数和(自身を除く): 77685488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 907, 1040, 1060, 1378, 1814, 2120, 2756, 3445, 3628, 4240, 4535, 5512, 6890, 7256, 9070, 11024, 11791, 13780, 14512, 18140, 23582, 27560, 36280, 47164, 48071, 55120, 58955, 72560, 94328, 96142, 117910, 188656, 192284, 235820, 240355, 384568, 471640, 480710, 624923, 769136, 943280, 961420, 1249846, 1922840, 2499692, 3124615, 3845680, 4999384, 6249230, 9998768, 12498460, 24996920, 49993840]

約数ペア:

[(1, 49993840), (2, 24996920), (4, 12498460), (5, 9998768), (8, 6249230), (10, 4999384), (13, 3845680), (16, 3124615), (20, 2499692), (26, 1922840), (40, 1249846), (52, 961420), (53, 943280), (65, 769136), (80, 624923), (104, 480710), (106, 471640), (130, 384568), (208, 240355), (212, 235820), (260, 192284), (265, 188656), (424, 117910), (520, 96142), (530, 94328), (689, 72560), (848, 58955), (907, 55120), (1040, 48071), (1060, 47164), (1378, 36280), (1814, 27560), (2120, 23582), (2756, 18140), (3445, 14512), (3628, 13780), (4240, 11791), (4535, 11024), (5512, 9070), (6890, 7256)]