31964080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 82896480

約数和(自身を除く): 50932400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1237, 1292, 1360, 1520, 1615, 2474, 2584, 3230, 4948, 5168, 6185, 6460, 9896, 12370, 12920, 19792, 21029, 23503, 24740, 25840, 42058, 47006, 49480, 84116, 94012, 98960, 105145, 117515, 168232, 188024, 210290, 235030, 336464, 376048, 399551, 420580, 470060, 799102, 841160, 940120, 1598204, 1682320, 1880240, 1997755, 3196408, 3995510, 6392816, 7991020, 15982040, 31964080]

約数ペア:

[(1, 31964080), (2, 15982040), (4, 7991020), (5, 6392816), (8, 3995510), (10, 3196408), (16, 1997755), (17, 1880240), (19, 1682320), (20, 1598204), (34, 940120), (38, 841160), (40, 799102), (68, 470060), (76, 420580), (80, 399551), (85, 376048), (95, 336464), (136, 235030), (152, 210290), (170, 188024), (190, 168232), (272, 117515), (304, 105145), (323, 98960), (340, 94012), (380, 84116), (646, 49480), (680, 47006), (760, 42058), (1237, 25840), (1292, 24740), (1360, 23503), (1520, 21029), (1615, 19792), (2474, 12920), (2584, 12370), (3230, 9896), (4948, 6460), (5168, 6185)]