4450160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 12186720

約数和(自身を除く): 7736560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 389, 440, 520, 572, 715, 778, 880, 1040, 1144, 1430, 1556, 1945, 2288, 2860, 3112, 3890, 4279, 5057, 5720, 6224, 7780, 8558, 10114, 11440, 15560, 17116, 20228, 21395, 25285, 31120, 34232, 40456, 42790, 50570, 55627, 68464, 80912, 85580, 101140, 111254, 171160, 202280, 222508, 278135, 342320, 404560, 445016, 556270, 890032, 1112540, 2225080, 4450160]

約数ペア:

[(1, 4450160), (2, 2225080), (4, 1112540), (5, 890032), (8, 556270), (10, 445016), (11, 404560), (13, 342320), (16, 278135), (20, 222508), (22, 202280), (26, 171160), (40, 111254), (44, 101140), (52, 85580), (55, 80912), (65, 68464), (80, 55627), (88, 50570), (104, 42790), (110, 40456), (130, 34232), (143, 31120), (176, 25285), (208, 21395), (220, 20228), (260, 17116), (286, 15560), (389, 11440), (440, 10114), (520, 8558), (572, 7780), (715, 6224), (778, 5720), (880, 5057), (1040, 4279), (1144, 3890), (1430, 3112), (1556, 2860), (1945, 2288)]