1996647520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43481}}^1$

素因数の和:43544

約数の個数: 96

約数和(自身を含む): 5522561856

約数和(自身を除く): 3525914336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 560, 574, 656, 820, 1120, 1148, 1312, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 6560, 9184, 11480, 22960, 43481, 45920, 86962, 173924, 217405, 304367, 347848, 434810, 608734, 695696, 869620, 1217468, 1391392, 1521835, 1739240, 1782721, 2434936, 3043670, 3478480, 3565442, 4869872, 6087340, 6956960, 7130884, 8913605, 9739744, 12174680, 12479047, 14261768, 17827210, 24349360, 24958094, 28523536, 35654420, 48698720, 49916188, 57047072, 62395235, 71308840, 99832376, 124790470, 142617680, 199664752, 249580940, 285235360, 399329504, 499161880, 998323760, 1996647520]

約数ペア:

[(1, 1996647520), (2, 998323760), (4, 499161880), (5, 399329504), (7, 285235360), (8, 249580940), (10, 199664752), (14, 142617680), (16, 124790470), (20, 99832376), (28, 71308840), (32, 62395235), (35, 57047072), (40, 49916188), (41, 48698720), (56, 35654420), (70, 28523536), (80, 24958094), (82, 24349360), (112, 17827210), (140, 14261768), (160, 12479047), (164, 12174680), (205, 9739744), (224, 8913605), (280, 7130884), (287, 6956960), (328, 6087340), (410, 4869872), (560, 3565442), (574, 3478480), (656, 3043670), (820, 2434936), (1120, 1782721), (1148, 1739240), (1312, 1521835), (1435, 1391392), (1640, 1217468), (2296, 869620), (2870, 695696), (3280, 608734), (4592, 434810), (5740, 347848), (6560, 304367), (9184, 217405), (11480, 173924), (22960, 86962), (43481, 45920)]