13290640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1373}}^1$

素因数の和:1408

約数の個数: 60

約数和(自身を含む): 33990012

約数和(自身を除く): 20699372

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1373, 1936, 2420, 2746, 4840, 5492, 6865, 9680, 10984, 13730, 15103, 21968, 27460, 30206, 54920, 60412, 75515, 109840, 120824, 151030, 166133, 241648, 302060, 332266, 604120, 664532, 830665, 1208240, 1329064, 1661330, 2658128, 3322660, 6645320, 13290640]

約数ペア:

[(1, 13290640), (2, 6645320), (4, 3322660), (5, 2658128), (8, 1661330), (10, 1329064), (11, 1208240), (16, 830665), (20, 664532), (22, 604120), (40, 332266), (44, 302060), (55, 241648), (80, 166133), (88, 151030), (110, 120824), (121, 109840), (176, 75515), (220, 60412), (242, 54920), (440, 30206), (484, 27460), (605, 21968), (880, 15103), (968, 13730), (1210, 10984), (1373, 9680), (1936, 6865), (2420, 5492), (2746, 4840)]