66990440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13841}}^1$

素因数の和:13874

約数の個数: 48

約数和(自身を含む): 165688740

約数和(自身を除く): 98698300

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, 13841, 27682, 55364, 69205, 110728, 138410, 152251, 276820, 304502, 553640, 609004, 761255, 1218008, 1522510, 1674761, 3045020, 3349522, 6090040, 6699044, 8373805, 13398088, 16747610, 33495220, 66990440]

約数ペア:

[(1, 66990440), (2, 33495220), (4, 16747610), (5, 13398088), (8, 8373805), (10, 6699044), (11, 6090040), (20, 3349522), (22, 3045020), (40, 1674761), (44, 1522510), (55, 1218008), (88, 761255), (110, 609004), (121, 553640), (220, 304502), (242, 276820), (440, 152251), (484, 138410), (605, 110728), (968, 69205), (1210, 55364), (2420, 27682), (4840, 13841)]