320115280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{59723}}^1$

素因数の和:59803

約数の個数: 40

約数和(自身を含む): 755389152

約数和(自身を除く): 435273872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 59723, 119446, 238892, 298615, 477784, 597230, 955568, 1194460, 2388920, 4001441, 4777840, 8002882, 16005764, 20007205, 32011528, 40014410, 64023056, 80028820, 160057640, 320115280]

約数ペア:

[(1, 320115280), (2, 160057640), (4, 80028820), (5, 64023056), (8, 40014410), (10, 32011528), (16, 20007205), (20, 16005764), (40, 8002882), (67, 4777840), (80, 4001441), (134, 2388920), (268, 1194460), (335, 955568), (536, 597230), (670, 477784), (1072, 298615), (1340, 238892), (2680, 119446), (5360, 59723)]