85878860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7793}}^1$

素因数の和:7850

約数の個数: 48

約数和(自身を含む): 196408800

約数和(自身を除く): 110529940

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 7793, 11020, 15586, 31172, 38965, 77930, 148067, 155860, 225997, 296134, 451994, 592268, 740335, 903988, 1129985, 1480670, 2259970, 2961340, 4293943, 4519940, 8587886, 17175772, 21469715, 42939430, 85878860]

約数ペア:

[(1, 85878860), (2, 42939430), (4, 21469715), (5, 17175772), (10, 8587886), (19, 4519940), (20, 4293943), (29, 2961340), (38, 2259970), (58, 1480670), (76, 1129985), (95, 903988), (116, 740335), (145, 592268), (190, 451994), (290, 296134), (380, 225997), (551, 155860), (580, 148067), (1102, 77930), (2204, 38965), (2755, 31172), (5510, 15586), (7793, 11020)]