25380040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 69439680

約数和(自身を除く): 44059640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 563, 644, 805, 920, 980, 1126, 1127, 1288, 1610, 1960, 2252, 2254, 2815, 3220, 3941, 4504, 4508, 5630, 5635, 6440, 7882, 9016, 11260, 11270, 12949, 15764, 19705, 22520, 22540, 25898, 27587, 31528, 39410, 45080, 51796, 55174, 64745, 78820, 90643, 103592, 110348, 129490, 137935, 157640, 181286, 220696, 258980, 275870, 362572, 453215, 517960, 551740, 634501, 725144, 906430, 1103480, 1269002, 1812860, 2538004, 3172505, 3625720, 5076008, 6345010, 12690020, 25380040]

約数ペア:

[(1, 25380040), (2, 12690020), (4, 6345010), (5, 5076008), (7, 3625720), (8, 3172505), (10, 2538004), (14, 1812860), (20, 1269002), (23, 1103480), (28, 906430), (35, 725144), (40, 634501), (46, 551740), (49, 517960), (56, 453215), (70, 362572), (92, 275870), (98, 258980), (115, 220696), (140, 181286), (161, 157640), (184, 137935), (196, 129490), (230, 110348), (245, 103592), (280, 90643), (322, 78820), (392, 64745), (460, 55174), (490, 51796), (563, 45080), (644, 39410), (805, 31528), (920, 27587), (980, 25898), (1126, 22540), (1127, 22520), (1288, 19705), (1610, 15764), (1960, 12949), (2252, 11270), (2254, 11260), (2815, 9016), (3220, 7882), (3941, 6440), (4504, 5635), (4508, 5630)]