2647580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3702820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 599, 884, 1105, 1198, 2210, 2396, 2995, 4420, 5990, 7787, 10183, 11980, 15574, 20366, 31148, 38935, 40732, 50915, 77870, 101830, 132379, 155740, 203660, 264758, 529516, 661895, 1323790, 2647580]

約数ペア:

[(1, 2647580), (2, 1323790), (4, 661895), (5, 529516), (10, 264758), (13, 203660), (17, 155740), (20, 132379), (26, 101830), (34, 77870), (52, 50915), (65, 40732), (68, 38935), (85, 31148), (130, 20366), (170, 15574), (221, 11980), (260, 10183), (340, 7787), (442, 5990), (599, 4420), (884, 2995), (1105, 2396), (1198, 2210)]