8900320

素因数分解:

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

素因数の和:428

約数の個数: 96

約数和(自身を含む): 24766560

約数和(自身を除く): 15866240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 389, 416, 440, 520, 572, 715, 778, 880, 1040, 1144, 1430, 1556, 1760, 1945, 2080, 2288, 2860, 3112, 3890, 4279, 4576, 5057, 5720, 6224, 7780, 8558, 10114, 11440, 12448, 15560, 17116, 20228, 21395, 22880, 25285, 31120, 34232, 40456, 42790, 50570, 55627, 62240, 68464, 80912, 85580, 101140, 111254, 136928, 161824, 171160, 202280, 222508, 278135, 342320, 404560, 445016, 556270, 684640, 809120, 890032, 1112540, 1780064, 2225080, 4450160, 8900320]

約数ペア:

[(1, 8900320), (2, 4450160), (4, 2225080), (5, 1780064), (8, 1112540), (10, 890032), (11, 809120), (13, 684640), (16, 556270), (20, 445016), (22, 404560), (26, 342320), (32, 278135), (40, 222508), (44, 202280), (52, 171160), (55, 161824), (65, 136928), (80, 111254), (88, 101140), (104, 85580), (110, 80912), (130, 68464), (143, 62240), (160, 55627), (176, 50570), (208, 42790), (220, 40456), (260, 34232), (286, 31120), (352, 25285), (389, 22880), (416, 21395), (440, 20228), (520, 17116), (572, 15560), (715, 12448), (778, 11440), (880, 10114), (1040, 8558), (1144, 7780), (1430, 6224), (1556, 5720), (1760, 5057), (1945, 4576), (2080, 4279), (2288, 3890), (2860, 3112)]