51391390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1373}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 97938720

約数和(自身を除く): 46547330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1373, 1970, 2746, 3743, 6865, 7486, 13730, 18715, 26087, 37430, 52174, 130435, 260870, 270481, 540962, 1352405, 2704810, 5139139, 10278278, 25695695, 51391390]

約数ペア:

[(1, 51391390), (2, 25695695), (5, 10278278), (10, 5139139), (19, 2704810), (38, 1352405), (95, 540962), (190, 270481), (197, 260870), (394, 130435), (985, 52174), (1373, 37430), (1970, 26087), (2746, 18715), (3743, 13730), (6865, 7486)]