8421400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 21873600

約数和(自身を除く): 13452200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 79, 82, 100, 104, 130, 158, 164, 200, 205, 260, 316, 325, 328, 395, 410, 520, 533, 632, 650, 790, 820, 1025, 1027, 1066, 1300, 1580, 1640, 1975, 2050, 2054, 2132, 2600, 2665, 3160, 3239, 3950, 4100, 4108, 4264, 5135, 5330, 6478, 7900, 8200, 8216, 10270, 10660, 12956, 13325, 15800, 16195, 20540, 21320, 25675, 25912, 26650, 32390, 41080, 42107, 51350, 53300, 64780, 80975, 84214, 102700, 106600, 129560, 161950, 168428, 205400, 210535, 323900, 336856, 421070, 647800, 842140, 1052675, 1684280, 2105350, 4210700, 8421400]

約数ペア:

[(1, 8421400), (2, 4210700), (4, 2105350), (5, 1684280), (8, 1052675), (10, 842140), (13, 647800), (20, 421070), (25, 336856), (26, 323900), (40, 210535), (41, 205400), (50, 168428), (52, 161950), (65, 129560), (79, 106600), (82, 102700), (100, 84214), (104, 80975), (130, 64780), (158, 53300), (164, 51350), (200, 42107), (205, 41080), (260, 32390), (316, 26650), (325, 25912), (328, 25675), (395, 21320), (410, 20540), (520, 16195), (533, 15800), (632, 13325), (650, 12956), (790, 10660), (820, 10270), (1025, 8216), (1027, 8200), (1066, 7900), (1300, 6478), (1580, 5330), (1640, 5135), (1975, 4264), (2050, 4108), (2054, 4100), (2132, 3950), (2600, 3239), (2665, 3160)]