8024380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 20744640

約数和(自身を除く): 12720260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4409, 8818, 17636, 22045, 30863, 44090, 57317, 61726, 88180, 114634, 123452, 154315, 229268, 286585, 308630, 401219, 573170, 617260, 802438, 1146340, 1604876, 2006095, 4012190, 8024380]

約数ペア:

[(1, 8024380), (2, 4012190), (4, 2006095), (5, 1604876), (7, 1146340), (10, 802438), (13, 617260), (14, 573170), (20, 401219), (26, 308630), (28, 286585), (35, 229268), (52, 154315), (65, 123452), (70, 114634), (91, 88180), (130, 61726), (140, 57317), (182, 44090), (260, 30863), (364, 22045), (455, 17636), (910, 8818), (1820, 4409)]