8980400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 25508784

約数和(自身を除く): 16528384

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 157, 176, 200, 208, 220, 260, 275, 286, 314, 325, 400, 440, 520, 550, 572, 628, 650, 715, 785, 880, 1040, 1100, 1144, 1256, 1300, 1430, 1570, 1727, 2041, 2200, 2288, 2512, 2600, 2860, 3140, 3454, 3575, 3925, 4082, 4400, 5200, 5720, 6280, 6908, 7150, 7850, 8164, 8635, 10205, 11440, 12560, 13816, 14300, 15700, 16328, 17270, 20410, 22451, 27632, 28600, 31400, 32656, 34540, 40820, 43175, 44902, 51025, 57200, 62800, 69080, 81640, 86350, 89804, 102050, 112255, 138160, 163280, 172700, 179608, 204100, 224510, 345400, 359216, 408200, 449020, 561275, 690800, 816400, 898040, 1122550, 1796080, 2245100, 4490200, 8980400]

約数ペア:

[(1, 8980400), (2, 4490200), (4, 2245100), (5, 1796080), (8, 1122550), (10, 898040), (11, 816400), (13, 690800), (16, 561275), (20, 449020), (22, 408200), (25, 359216), (26, 345400), (40, 224510), (44, 204100), (50, 179608), (52, 172700), (55, 163280), (65, 138160), (80, 112255), (88, 102050), (100, 89804), (104, 86350), (110, 81640), (130, 69080), (143, 62800), (157, 57200), (176, 51025), (200, 44902), (208, 43175), (220, 40820), (260, 34540), (275, 32656), (286, 31400), (314, 28600), (325, 27632), (400, 22451), (440, 20410), (520, 17270), (550, 16328), (572, 15700), (628, 14300), (650, 13816), (715, 12560), (785, 11440), (880, 10205), (1040, 8635), (1100, 8164), (1144, 7850), (1256, 7150), (1300, 6908), (1430, 6280), (1570, 5720), (1727, 5200), (2041, 4400), (2200, 4082), (2288, 3925), (2512, 3575), (2600, 3454), (2860, 3140)]