16042040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 44789760

約数和(自身を除く): 28747720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 53, 56, 70, 92, 94, 106, 115, 140, 161, 184, 188, 212, 230, 235, 265, 280, 322, 329, 371, 376, 424, 460, 470, 530, 644, 658, 742, 805, 920, 940, 1060, 1081, 1219, 1288, 1316, 1484, 1610, 1645, 1855, 1880, 2120, 2162, 2438, 2491, 2632, 2968, 3220, 3290, 3710, 4324, 4876, 4982, 5405, 6095, 6440, 6580, 7420, 7567, 8533, 8648, 9752, 9964, 10810, 12190, 12455, 13160, 14840, 15134, 17066, 17437, 19928, 21620, 24380, 24910, 30268, 34132, 34874, 37835, 42665, 43240, 48760, 49820, 57293, 60536, 68264, 69748, 75670, 85330, 87185, 99640, 114586, 139496, 151340, 170660, 174370, 229172, 286465, 302680, 341320, 348740, 401051, 458344, 572930, 697480, 802102, 1145860, 1604204, 2005255, 2291720, 3208408, 4010510, 8021020, 16042040]

約数ペア:

[(1, 16042040), (2, 8021020), (4, 4010510), (5, 3208408), (7, 2291720), (8, 2005255), (10, 1604204), (14, 1145860), (20, 802102), (23, 697480), (28, 572930), (35, 458344), (40, 401051), (46, 348740), (47, 341320), (53, 302680), (56, 286465), (70, 229172), (92, 174370), (94, 170660), (106, 151340), (115, 139496), (140, 114586), (161, 99640), (184, 87185), (188, 85330), (212, 75670), (230, 69748), (235, 68264), (265, 60536), (280, 57293), (322, 49820), (329, 48760), (371, 43240), (376, 42665), (424, 37835), (460, 34874), (470, 34132), (530, 30268), (644, 24910), (658, 24380), (742, 21620), (805, 19928), (920, 17437), (940, 17066), (1060, 15134), (1081, 14840), (1219, 13160), (1288, 12455), (1316, 12190), (1484, 10810), (1610, 9964), (1645, 9752), (1855, 8648), (1880, 8533), (2120, 7567), (2162, 7420), (2438, 6580), (2491, 6440), (2632, 6095), (2968, 5405), (3220, 4982), (3290, 4876), (3710, 4324)]