130435840

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 314718768

約数和(自身を除く): 184282928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 362, 563, 640, 724, 905, 1126, 1280, 1448, 1810, 2252, 2815, 2896, 3620, 4504, 5630, 5792, 7240, 9008, 11260, 11584, 14480, 18016, 22520, 23168, 28960, 36032, 45040, 46336, 57920, 72064, 90080, 101903, 115840, 144128, 180160, 203806, 231680, 360320, 407612, 509515, 720640, 815224, 1019030, 1630448, 2038060, 3260896, 4076120, 6521792, 8152240, 13043584, 16304480, 26087168, 32608960, 65217920, 130435840]

約数ペア:

[(1, 130435840), (2, 65217920), (4, 32608960), (5, 26087168), (8, 16304480), (10, 13043584), (16, 8152240), (20, 6521792), (32, 4076120), (40, 3260896), (64, 2038060), (80, 1630448), (128, 1019030), (160, 815224), (181, 720640), (256, 509515), (320, 407612), (362, 360320), (563, 231680), (640, 203806), (724, 180160), (905, 144128), (1126, 115840), (1280, 101903), (1448, 90080), (1810, 72064), (2252, 57920), (2815, 46336), (2896, 45040), (3620, 36032), (4504, 28960), (5630, 23168), (5792, 22520), (7240, 18016), (9008, 14480), (11260, 11584)]