9091120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6013

約数の個数: 40

約数和(自身を含む): 22253040

約数和(自身を除く): 13161920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5981, 11962, 23924, 29905, 47848, 59810, 95696, 113639, 119620, 227278, 239240, 454556, 478480, 568195, 909112, 1136390, 1818224, 2272780, 4545560, 9091120]

約数ペア:

[(1, 9091120), (2, 4545560), (4, 2272780), (5, 1818224), (8, 1136390), (10, 909112), (16, 568195), (19, 478480), (20, 454556), (38, 239240), (40, 227278), (76, 119620), (80, 113639), (95, 95696), (152, 59810), (190, 47848), (304, 29905), (380, 23924), (760, 11962), (1520, 5981)]