420808160

素因数分解:

$2^5\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2089}}^1$

素因数の和:3363

約数の個数: 48

約数和(自身を含む): 995425200

約数和(自身を除く): 574617040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1259, 2089, 2518, 4178, 5036, 6295, 8356, 10072, 10445, 12590, 16712, 20144, 20890, 25180, 33424, 40288, 41780, 50360, 66848, 83560, 100720, 167120, 201440, 334240, 2630051, 5260102, 10520204, 13150255, 21040408, 26300510, 42080816, 52601020, 84161632, 105202040, 210404080, 420808160]

約数ペア:

[(1, 420808160), (2, 210404080), (4, 105202040), (5, 84161632), (8, 52601020), (10, 42080816), (16, 26300510), (20, 21040408), (32, 13150255), (40, 10520204), (80, 5260102), (160, 2630051), (1259, 334240), (2089, 201440), (2518, 167120), (4178, 100720), (5036, 83560), (6295, 66848), (8356, 50360), (10072, 41780), (10445, 40288), (12590, 33424), (16712, 25180), (20144, 20890)]