40019434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 79349760

約数和(自身を除く): 39330326

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 71, 91, 133, 142, 163, 182, 247, 266, 326, 494, 497, 923, 994, 1141, 1349, 1729, 1846, 2119, 2282, 2698, 3097, 3458, 4238, 6194, 6461, 9443, 11573, 12922, 14833, 17537, 18886, 21679, 23146, 29666, 35074, 40261, 43358, 80522, 81011, 122759, 150449, 162022, 219887, 245518, 281827, 300898, 439774, 563654, 1053143, 1539209, 2106286, 2858531, 3078418, 5717062, 20009717, 40019434]

約数ペア:

[(1, 40019434), (2, 20009717), (7, 5717062), (13, 3078418), (14, 2858531), (19, 2106286), (26, 1539209), (38, 1053143), (71, 563654), (91, 439774), (133, 300898), (142, 281827), (163, 245518), (182, 219887), (247, 162022), (266, 150449), (326, 122759), (494, 81011), (497, 80522), (923, 43358), (994, 40261), (1141, 35074), (1349, 29666), (1729, 23146), (1846, 21679), (2119, 18886), (2282, 17537), (2698, 14833), (3097, 12922), (3458, 11573), (4238, 9443), (6194, 6461)]