40491640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 107812080

約数和(自身を除く): 67320440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 283, 292, 365, 392, 490, 511, 566, 584, 730, 980, 1022, 1132, 1415, 1460, 1960, 1981, 2044, 2264, 2555, 2830, 2920, 3577, 3962, 4088, 5110, 5660, 7154, 7924, 9905, 10220, 11320, 13867, 14308, 15848, 17885, 19810, 20440, 20659, 27734, 28616, 35770, 39620, 41318, 55468, 69335, 71540, 79240, 82636, 103295, 110936, 138670, 143080, 144613, 165272, 206590, 277340, 289226, 413180, 554680, 578452, 723065, 826360, 1012291, 1156904, 1446130, 2024582, 2892260, 4049164, 5061455, 5784520, 8098328, 10122910, 20245820, 40491640]

約数ペア:

[(1, 40491640), (2, 20245820), (4, 10122910), (5, 8098328), (7, 5784520), (8, 5061455), (10, 4049164), (14, 2892260), (20, 2024582), (28, 1446130), (35, 1156904), (40, 1012291), (49, 826360), (56, 723065), (70, 578452), (73, 554680), (98, 413180), (140, 289226), (146, 277340), (196, 206590), (245, 165272), (280, 144613), (283, 143080), (292, 138670), (365, 110936), (392, 103295), (490, 82636), (511, 79240), (566, 71540), (584, 69335), (730, 55468), (980, 41318), (1022, 39620), (1132, 35770), (1415, 28616), (1460, 27734), (1960, 20659), (1981, 20440), (2044, 19810), (2264, 17885), (2555, 15848), (2830, 14308), (2920, 13867), (3577, 11320), (3962, 10220), (4088, 9905), (5110, 7924), (5660, 7154)]