66554840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13751}}^1$

素因数の和:13784

約数の個数: 48

約数和(自身を含む): 164611440

約数和(自身を除く): 98056600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13751, 27502, 55004, 68755, 110008, 137510, 151261, 275020, 302522, 550040, 605044, 756305, 1210088, 1512610, 1663871, 3025220, 3327742, 6050440, 6655484, 8319355, 13310968, 16638710, 33277420, 66554840]

約数ペア:

[(1, 66554840), (2, 33277420), (4, 16638710), (5, 13310968), (8, 8319355), (10, 6655484), (11, 6050440), (20, 3327742), (22, 3025220), (40, 1663871), (44, 1512610), (55, 1210088), (88, 756305), (110, 605044), (121, 550040), (220, 302522), (242, 275020), (440, 151261), (484, 137510), (605, 110008), (968, 68755), (1210, 55004), (2420, 27502), (4840, 13751)]