66445240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{24793}}^1$

素因数の和:24871

約数の個数: 32

約数和(自身を含む): 151739280

約数和(自身を除く): 85294040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 24793, 49586, 99172, 123965, 198344, 247930, 495860, 991720, 1661131, 3322262, 6644524, 8305655, 13289048, 16611310, 33222620, 66445240]

約数ペア:

[(1, 66445240), (2, 33222620), (4, 16611310), (5, 13289048), (8, 8305655), (10, 6644524), (20, 3322262), (40, 1661131), (67, 991720), (134, 495860), (268, 247930), (335, 198344), (536, 123965), (670, 99172), (1340, 49586), (2680, 24793)]