77776240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13693}}^1$

素因数の和:13777

約数の個数: 40

約数和(自身を含む): 183390048

約数和(自身を除く): 105613808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 13693, 27386, 54772, 68465, 109544, 136930, 219088, 273860, 547720, 972203, 1095440, 1944406, 3888812, 4861015, 7777624, 9722030, 15555248, 19444060, 38888120, 77776240]

約数ペア:

[(1, 77776240), (2, 38888120), (4, 19444060), (5, 15555248), (8, 9722030), (10, 7777624), (16, 4861015), (20, 3888812), (40, 1944406), (71, 1095440), (80, 972203), (142, 547720), (284, 273860), (355, 219088), (568, 136930), (710, 109544), (1136, 68465), (1420, 54772), (2840, 27386), (5680, 13693)]