899245840

素因数分解:

$2^4\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{10303}}^1$

素因数の和:11407

約数の個数: 40

約数和(自身を含む): 2092866048

約数和(自身を除く): 1193620208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091, 2182, 4364, 5455, 8728, 10303, 10910, 17456, 20606, 21820, 41212, 43640, 51515, 82424, 87280, 103030, 164848, 206060, 412120, 824240, 11240573, 22481146, 44962292, 56202865, 89924584, 112405730, 179849168, 224811460, 449622920, 899245840]

約数ペア:

[(1, 899245840), (2, 449622920), (4, 224811460), (5, 179849168), (8, 112405730), (10, 89924584), (16, 56202865), (20, 44962292), (40, 22481146), (80, 11240573), (1091, 824240), (2182, 412120), (4364, 206060), (5455, 164848), (8728, 103030), (10303, 87280), (10910, 82424), (17456, 51515), (20606, 43640), (21820, 41212)]