40905172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2251}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 90800640

約数和(自身を除く): 49895468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 2251, 2596, 4502, 4543, 9004, 9086, 15757, 18172, 24761, 31514, 49522, 63028, 99044, 132809, 173327, 265618, 346654, 531236, 693308, 929663, 1460899, 1859326, 2921798, 3718652, 5843596, 10226293, 20452586, 40905172]

約数ペア:

[(1, 40905172), (2, 20452586), (4, 10226293), (7, 5843596), (11, 3718652), (14, 2921798), (22, 1859326), (28, 1460899), (44, 929663), (59, 693308), (77, 531236), (118, 346654), (154, 265618), (236, 173327), (308, 132809), (413, 99044), (649, 63028), (826, 49522), (1298, 31514), (1652, 24761), (2251, 18172), (2596, 15757), (4502, 9086), (4543, 9004)]