82008160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 211468320

約数和(自身を除く): 129460160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 178, 208, 260, 356, 416, 443, 445, 520, 712, 886, 890, 1040, 1157, 1424, 1772, 1780, 2080, 2215, 2314, 2848, 3544, 3560, 4430, 4628, 5759, 5785, 7088, 7120, 8860, 9256, 11518, 11570, 14176, 14240, 17720, 18512, 23036, 23140, 28795, 35440, 37024, 39427, 46072, 46280, 57590, 70880, 78854, 92144, 92560, 115180, 157708, 184288, 185120, 197135, 230360, 315416, 394270, 460720, 512551, 630832, 788540, 921440, 1025102, 1261664, 1577080, 2050204, 2562755, 3154160, 4100408, 5125510, 6308320, 8200816, 10251020, 16401632, 20502040, 41004080, 82008160]

約数ペア:

[(1, 82008160), (2, 41004080), (4, 20502040), (5, 16401632), (8, 10251020), (10, 8200816), (13, 6308320), (16, 5125510), (20, 4100408), (26, 3154160), (32, 2562755), (40, 2050204), (52, 1577080), (65, 1261664), (80, 1025102), (89, 921440), (104, 788540), (130, 630832), (160, 512551), (178, 460720), (208, 394270), (260, 315416), (356, 230360), (416, 197135), (443, 185120), (445, 184288), (520, 157708), (712, 115180), (886, 92560), (890, 92144), (1040, 78854), (1157, 70880), (1424, 57590), (1772, 46280), (1780, 46072), (2080, 39427), (2215, 37024), (2314, 35440), (2848, 28795), (3544, 23140), (3560, 23036), (4430, 18512), (4628, 17720), (5759, 14240), (5785, 14176), (7088, 11570), (7120, 11518), (8860, 9256)]