40983880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{743}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 106064640

約数和(自身を除く): 65080760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 743, 788, 985, 1379, 1486, 1576, 1970, 2758, 2972, 3715, 3940, 5201, 5516, 5944, 6895, 7430, 7880, 10402, 11032, 13790, 14860, 20804, 26005, 27580, 29720, 41608, 52010, 55160, 104020, 146371, 208040, 292742, 585484, 731855, 1024597, 1170968, 1463710, 2049194, 2927420, 4098388, 5122985, 5854840, 8196776, 10245970, 20491940, 40983880]

約数ペア:

[(1, 40983880), (2, 20491940), (4, 10245970), (5, 8196776), (7, 5854840), (8, 5122985), (10, 4098388), (14, 2927420), (20, 2049194), (28, 1463710), (35, 1170968), (40, 1024597), (56, 731855), (70, 585484), (140, 292742), (197, 208040), (280, 146371), (394, 104020), (743, 55160), (788, 52010), (985, 41608), (1379, 29720), (1486, 27580), (1576, 26005), (1970, 20804), (2758, 14860), (2972, 13790), (3715, 11032), (3940, 10402), (5201, 7880), (5516, 7430), (5944, 6895)]