2021989040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{11939}}^1$

素因数の和:12054

約数の個数: 80

約数和(自身を含む): 4930264800

約数和(自身を除く): 2908275760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 73, 80, 116, 145, 146, 232, 290, 292, 365, 464, 580, 584, 730, 1160, 1168, 1460, 2117, 2320, 2920, 4234, 5840, 8468, 10585, 11939, 16936, 21170, 23878, 33872, 42340, 47756, 59695, 84680, 95512, 119390, 169360, 191024, 238780, 346231, 477560, 692462, 871547, 955120, 1384924, 1731155, 1743094, 2769848, 3462310, 3486188, 4357735, 5539696, 6924620, 6972376, 8715470, 13849240, 13944752, 17430940, 25274863, 27698480, 34861880, 50549726, 69723760, 101099452, 126374315, 202198904, 252748630, 404397808, 505497260, 1010994520, 2021989040]

約数ペア:

[(1, 2021989040), (2, 1010994520), (4, 505497260), (5, 404397808), (8, 252748630), (10, 202198904), (16, 126374315), (20, 101099452), (29, 69723760), (40, 50549726), (58, 34861880), (73, 27698480), (80, 25274863), (116, 17430940), (145, 13944752), (146, 13849240), (232, 8715470), (290, 6972376), (292, 6924620), (365, 5539696), (464, 4357735), (580, 3486188), (584, 3462310), (730, 2769848), (1160, 1743094), (1168, 1731155), (1460, 1384924), (2117, 955120), (2320, 871547), (2920, 692462), (4234, 477560), (5840, 346231), (8468, 238780), (10585, 191024), (11939, 169360), (16936, 119390), (21170, 95512), (23878, 84680), (33872, 59695), (42340, 47756)]