172201640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 429854040

約数和(自身を除く): 257652400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 197, 205, 260, 328, 394, 410, 520, 533, 788, 820, 985, 1066, 1576, 1640, 1681, 1970, 2132, 2561, 2665, 3362, 3940, 4264, 5122, 5330, 6724, 7880, 8077, 8405, 10244, 10660, 12805, 13448, 16154, 16810, 20488, 21320, 21853, 25610, 32308, 33620, 40385, 43706, 51220, 64616, 67240, 80770, 87412, 102440, 105001, 109265, 161540, 174824, 210002, 218530, 323080, 331157, 420004, 437060, 525005, 662314, 840008, 874120, 1050010, 1324628, 1655785, 2100020, 2649256, 3311570, 4200040, 4305041, 6623140, 8610082, 13246280, 17220164, 21525205, 34440328, 43050410, 86100820, 172201640]

約数ペア:

[(1, 172201640), (2, 86100820), (4, 43050410), (5, 34440328), (8, 21525205), (10, 17220164), (13, 13246280), (20, 8610082), (26, 6623140), (40, 4305041), (41, 4200040), (52, 3311570), (65, 2649256), (82, 2100020), (104, 1655785), (130, 1324628), (164, 1050010), (197, 874120), (205, 840008), (260, 662314), (328, 525005), (394, 437060), (410, 420004), (520, 331157), (533, 323080), (788, 218530), (820, 210002), (985, 174824), (1066, 161540), (1576, 109265), (1640, 105001), (1681, 102440), (1970, 87412), (2132, 80770), (2561, 67240), (2665, 64616), (3362, 51220), (3940, 43706), (4264, 40385), (5122, 33620), (5330, 32308), (6724, 25610), (7880, 21853), (8077, 21320), (8405, 20488), (10244, 16810), (10660, 16154), (12805, 13448)]